22
To fail miserably like when you fall down stairs.
It's better to fall down the stairs while having sex than to tank!
by jonasneckpunches June 18, 2010
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23
an object or person (usually large) that does amazing amounts of work. A small object or person can be a tank in special circumstances.
That goalie was a tank. You could not get the puck past him.
by eggrog33 May 05, 2009
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24
Somebody who can do things others cant.
Somebody who has muscles, is bulk and/or is tall.
Somebody who is huge.
Somebody who is pretty amazing.
Aaron, your Tank
by Dannnnnnnni August 10, 2010
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25
1. v- to screw some one incredibly hard. Usually up the ass. Deriving from a halo game in which one of the players got their ass impaled by the tank barrel. Happens in a lot of prison showers.

2. n- the very cool black guy in the first Matrix who was the operator. He was one of the coolest people in the movie and basically knew everything. He was born in the real world and avenged his brother's death.

3. n- a heavily armored military vehicle

4. v- to purposefully fail at something. Much like to bomb.
1. Nick dropped the soap in the shower and got tanked by "Bubba".
I tanked your sister last night and she still can't walk.
Your mom has been tanked so many times that her vagina is the size of the Grand Canyon.

2. Tank- "We're supposed to start with these operation programs first. That's major boring shit. Let's do something a little more fun. How about... combat training."

3. The t-55 tank has been produced more than any other tank in the world. Used since 1949 they combine a high-velocity gun with a highly mobile chassis, a low shilouette, and exceptional long-range endurance.

4. I tanked my biology test because I already had 107% in the class and my friend didn't want me to wreck the curve.
by neomaverickninja May 12, 2005
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26
A person who has a large build; this may be someone who is tall and has a wide build, they are also people who have an incredible stregth.
that man is a Tank, he has just pulled down a fully grown tree only using his bare hands
by Tank April 02, 2015
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27
A person or object that can deal with emotional, physical, or mental issues and make a bad ass outcome.
Brad hangs out with Scott for a week

John: Brad is such a tank! I can't believe he's hanging out with the most annoying kid in school!
by CnLBurst July 28, 2011
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28
Adjective: To end in failure. (Related to the expression down the tubes.)

Possible origins:

1. To pull the chain on an old fashioned elevated toilet tank in order to flush fecal matter from the commode.

2. Flushing something down the toilet so that it ends up in the septic tank.

3. When a prototype ship model design fails hydrodynamic testing in a water-filled tank.

4. Naval aviators who fail to pass the dunker (Helicopter Underwater Escape Training) which is conducted in a large water tank.
When did our relationship start to tank?

My grades are really tanking this semester.

During testing the new ship design tanked straight away.

Ensign Smith just tanked the HUET test.
by HarpoonJohn February 24, 2010
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