1 definition by Whatismylife43

Dirty dumptruck

Usually performed near the end of sex, the dirty dumptruck is when the women is lying on her front and just before ejaculation you take a shit on your girls back (hence the name 'dumptruck') and the girl will turn around to see what is on her back then you spunk in her eyeball

"Why did your girl leave you"

"I gave her a dirty dumptruck"

by Whatismylife43 April 13, 2017