Tankass

A posterior so large, it is able to sustain the blow of an artillery shell.

Have you seen J-Lo's new video? Jesus christ she has got some kind of Tankass.

by Anonymous February 07, 2003

tankass

An ass so huge that strikes back when you insult it.

Tara Bichard is a tankass!

by Wes Morris September 17, 2003

tankass

A generally unattractive rear end as a result of wideness.

Man, that girl went off to college and got tankass.

by The S Diddy August 12, 2003

tankass

Tom Crankshaw

holy shit tankass u need to warn sum1 when relesing gas from the ass! man......

by Ali P March 17, 2004