thacker (n.)

A person with no butt. Who's THighs are connected to their bACK because there is no butt in between to separate them.

Lauren is a thacker.

by Kate February 8, 2004

thacker (n.)

the act of a woman releasing cum from her asshole that was shot into her after butt fucking.
the cum with usually appear greenish-brownish-yellow.

dude, thackers are nasty.

by ian April 30, 2004