What is Sack Whack On The Back Crack?
1.
The act of thrusting the man junk so far into a woman's (or man's if you are homosexual) anus multiple times that the balls consistently slap against the "host's" butt cheeks making a sound like a great high five.
KirtKanReed: "i am soo hungover bro, i can't remember anything about last night."
ChadKant: "you wouldn't want to."
Zenovia's Playa: " YEAH! BECAUSE CHAD GAVE YOU THE sack whack on the back crack WHILE YOU WERE SHIT FACED DRUNK LAST NIGHT AND PASSED OUT ON THE COUCH!"
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(N.) An Urban Dictionary user who always posts definitions to a word on here a day or two immeadially after someone else has just put th..