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a gravity bong is a home made pipe that is designed to use the force of gravity to pull weed smoke into the chamber, usually using water as the means for drawing the smoke down into the chamber.
1.) take any plastic bottle or jug, poke some holes in the bottom of the bottle or jug,
2.) create a foil bowl to fit inside of the bottle opening,
3.) get a bucket or anything the bottle will fit inside and fill the bucket with water,
4.) put the bottle or jug inside the bucket fully submereging the bottle in the water, up to the opening of the bottle (the bucket is filled with water at this point),
5.) put the foil bowl on top (the bowl is filled with weed at this point),
6.) light the weed and draw the bottle up, watch the water pull the smoke into the bottle, make the smoke as chalky as you desire, then when the bottle is almost completly empty of water and full of smoke, take the bowl off and suck the smoke in, at the same time the bottle should start filling back up with water as you are sucking in the smoke.
then if you really want to get high use the bottle as a respirator breathing into and out of the bottle until there is no smoke left.
the gravity bong is the best way to get 4 people off their gord with only a small amount of weed because of the enormous hits this device can generate, this is by far one the more superior means of getting high off a tiny amount of weed
We made a gravity bong out of a sunny D 1 gallon jug, and a trash can.

Nobody could ever completly clear the Sunny D chamber.

My favorite gravity bong is a 2 litter and a cooking put full of water.
by the_infinitesimal October 15, 2004
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Mar 1 Word of the Day
One who has a mania for music.
I am a melomaniac.
by Larstait November 14, 2003
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A device that is simple to to make easy to use and deffinitely gets you the most ripped out of anything.

Items need: bottle of choice, bong slider in cap of choice that fits bottle, good sized bucket that the bottle fits into (buy a brand new sterilite trashcan from walmart they work the best).

project pat: damn dude that Gravity bong has me stoned as a motherfucker and did not use that much smoke-able items.
by Benadryl September 17, 2009
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The only way to get fuckin baked. None of you posers even smoke dope.A real grav is made from a 3 liter, with a metal socket in the top for the bowl head. There is an art to pulling up one of these beauty's and takes practice to pull up a nice chalker. If you pull it to slow or let air in it(pull it up out of the water and 'gurgle' it) it'll taste stale as shit. The best thing about gravs is scraping the grams of resin from the inside after a couple z's have been cashed in it. If you get shit tooth from a hit,(resin on your teeth from suckin in the smoke) then thats a good hit.

Im broke man."Let's scrape the gravity bong dood!". Right we will get blisted.
by Lafurnace April 22, 2007
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n : A homemade smoking device that is made by a three liter bottle that is cut off at the bottom and uses a foil for the bowl. It usually work by putting marijuana in the bowl and the user lifts up the bottle and collects smoke and then the user takes the foil off and pushes his head in the water with the bottle making him have a really big hit.
The best way to make a gravity bong is by using a one gallon jug and a trambone mouth piece on the top of the jug then cut the bottom and use a big kitchen pot for the water.

props to
Joint Masta Jay

Damn! I sure got a big hit from the gravity bong. That shit got me stoned in one hit!
by PhatBoiDaViD May 16, 2005
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note: A trumpet mouth-piece works very well for a gravity bong bowl, it fits perfectly in the opening of a 2 liter bottle.
Just in case you happen to have a trumpet mouth-piece laying around that you don't want anymore, LOL
by Sir Toke-a-Lot August 17, 2005
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Ok let me throw some insight on how to really hit a gravity bong and the science behind how it works. First off a gravity bong uses water pressure to pull heat into the bowl as your toasting it. You can easily snap a bowl if you dont watch it, which in turn will put you into another D. Ok so the first step in making one of these goes with whatever jug, bottle you like. Remove to bottom( i like to have about a little more than 2/3rds left. With the cap make a pinki size hole. Put a slider in the hole, or a socket, or a pen tube, or just a foil bowl. That depends on what you like to use. Submerdge the bottle before you have the cap on, unless you want wet weed. You then place the cap which has your weed on. Light the bowl and as your lighting pull the bottle up. When the amount of smoke you like is in you remove the cap place mouth on and push the bottle into the water. This is the best way as the smoke will get deep into your respiratory system. This is better than sucking in the smoke. For a quick anatomy lesson. When smoke is forced rather than sucked it gets deep into your lungs, hell it gets in your respiratory system. This just makes the high crazy. Good luck and remember to have fun.
I use a 3 litter bottle or a 20 fl oz bottle, this is depending on how messed i want to get. Remember the larger volume of a bottle the more air is going to pulled from the bowl generating heat.... i.e- Those hits were massive from the gravity bong.
by Sexnserial January 31, 2010
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