Penetrative sex using the hole provided by a colostomy. The recipient may or may not actually be alive. Tubing may also be combined with a mung should a suitable candidate be available to provide a true rush for sicko-thrill seekers.
Nightshift in the morgue was generally boring until Liam discovered tubing.
by McTastic January 26, 2006
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the act of being on youtube.
"what's good? nothinn, just tubin it."

"hey this is boring, let's tube it."

"ey i put that video on the tube if you wanna watch it."
by Dood 7X March 2, 2008
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The act of shitting in another persons ass via a tube. Once thought to be preformed with nothing but a tube, recent studies have shown that a mechinal device; ie a motor, is a must to create a suction to aid in the process of said act.
"Man, Katie got so turned on when I tubed her, I straight shit in her ass."
by Natochan[LS] February 8, 2005
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player1: Ah, what the fuck man...
player2: What? You can't handle getting pwned?
player1: Cuz you're fucking tubing, n00b!
by Regator March 13, 2009
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beating someone with a sock that you have previously shitted in
A:Thats some good tubing boy!
by scottysullivan October 3, 2006
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London's Underground Metro System

Consisting of 12 lines and a light railway system:

Bakerloo
Central
Circle
District
East London
Hammersmith & City
Jubilee
Metropolitan
Northern
Piccadilly
Victoria
Waterloo & City
And The Docklands Light railway

Although a unique and complicated system it is the oldest underground rail network system in the world... and it shows. Crowded trains, long delays and soaring temperatures are just some of the things daily commuters have to put up with... on a good day. My advice is to travel on a weekend and take plenty of water.

It's a fun place to doss around but not that fun if you have to use it everyday, day in day out. Skating in the underground is the best though.

Useless facts:
- Angel Station has the longest underground escalator in the whole of the underground, taking 80 seconds and raising 90 vertical feet.
-Less than 50% of the tube is actually underground
-Central London's stations are extremely crowded, the closests being just 0.16miles, making it quicker to walk.
Mind the gap

Please Refrain from Skateboards anywhere on the London Underground

This train terminates at... Edgware
by Shaun001 May 15, 2005
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Short for Vacuum Tube, a device used to drive amplifiers until the advent of transistors. A tube works like a flood gate, except with heat. A small heater in the base warms up, while a gate like mechanism opens and closes depending on the input signal. As heat goes through the "gate", it is turned into electrical energy. Tube slots must be biased, which determines the voltages seen by the tube. Only guitar amps still use tubes (as well as some bass amps, mic preamps, and other pro audio devices.)

Though a true discussion of tubes is enough to fill a large book, let alone a short definition, but here are some more common types of tubes.

Preamp: American name (European name) Other name
12AX7 (ECC83) 7025
12AT7
12AY7

Rectifier
5U4 (GZ32)
GT5Y3 (GZ30)

Power Amp
6L6GC
6V6GC
EL84
EL34
KT66
6550
The Ampeg STV had a whopping six 6550 tubes, producing 300w @4 ohms!"
by Contraceptive SpongeBob December 1, 2005
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