Top definition
unsatisfying coitus with an extremely small penis... so small, in fact, it is sucked up into the man's body like the head of a turtle, nearly making intercourse completely impossible altogether.
Brian: "It's just sad when you please a women and they go crazy. She was begging for another donkey punch."
Kelly: "...more like a turtle thump"
Kelly: "...more like a turtle thump"
by havwingswillfy April 08, 2010
Jul 2 Word of the Day
Dude, I was so unhappy about my girl, until I spoke to my serotonin donor who really helped me feel better
by jonfurstn1 November 27, 2009