look up any word, like yeet:
 
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
 
23.
Tits and Ass No Kids
A female with nice breasts, nice ass, and no children.
this chick is a t.a.n.k.
by Joshua B. February 04, 2008
 
24.
A rather large lady who loves to indulge herself in the delights of fake tan, hair extensions and fake eyelashes. Also enjoys to use excesses of make up to complete a plastic look.
Guy 1 - "Wow, that girls hot"

Guy 2 - "Dude, She's a Tank...."
by meetroastpie October 16, 2011
 
25.
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
 
26.
The best available game for Wii prior to the release of SSBB. Found on the Wii Play disc.

Note the difference between tanks, a type of armored vehicle, and Tanks!. Tanks! is distinguished in speech by shouting the word.
Joe: Hey, you wanna play Tanks!?

Zack: Yeah, lets play Tanks!
by nog_lorp October 01, 2008
 
27.
A person who is extremely good at what they are doing. Usually a strong person.
-"What a goal! What a tank that guy is!"
by rufatnf June 09, 2014
 
28.
a girl who wears no other make-up, but a shitload of every eye make-up product in the world.
That bitch is a tank!

Carly looks like a major tank!

I hate tanks!
by bunniecakes96 April 11, 2012