Tank Penis

A tank penis is when a males girth is a bigger circumferences then the anus/vagina of a girl

DAYUM Man i heard that he ripped her with the tank penis

by Un_Burnt_Pretzal July 19, 2014

Gas Tank Penis

A penis the size of a hugeee gas tank

also called just "GTP"

Joe: H000LY SH111T!!one1!! this porn is like soo good!
Dan: L0L. dat nigga has that GTP. all day, for life.
Desmond: GTP?!?
Dan + Joe: GAS TANK PENIS

by Bethekingdom April 5, 2011