What is Tankass?
1.
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.
2.
An ass so huge that strikes back when you insult it.
Tara Bichard is a tankass!
3.
A generally unattractive rear end as a result of wideness.
Man, that girl went off to college and got tankass.
4.
Tom Crankshaw
holy shit tankass u need to warn sum1 when relesing gas from the ass! man......
