butt-crack cum is the sweet cream that guys shoot on the butt-crack of another dude, and then they have the designated butt-crack-licker lap it up.
I'm usually the guy who gets to lick up all the butt-crack cum that cadets deposit on other cadets' ass-cracks!
by USAF Cadet July 5, 2021
Get the butt-crack cummug.