Accidental Haircut
The act of, while pounding a partner from behind, " accidentally " ripping out a chunk of her hair. Quickly pull out, blow your load on the bald patch, and hastily reapply the hair, and hope she doesn't notice.
" Man, can I stay at your place tonight, Monica is pissed. "
" What happened bro? "
" Gave her an accidental haircut. Oops. "
" What happened bro? "
" Gave her an accidental haircut. Oops. "