Somebody who overuse's the tank in a computer game, such as Halo for the XBOX.
Also can be defined as a large person who throws herself around a fair bit.
"Hey that fool's in the tank again"
"I'll sneep the little tank whore then"
A quick slip of your man meat into a woman's vagina.
A banana that is carefully placed which wipes some person off their feet.
"I put a Slick Banana down and caught out JJ today =D"
"I Slick Banana'd JJ today"