basically its a planned cockblock and requires the utmost creativity and epicness to pull one off. but instead of ruining the mood you just completely make it impossible.
ok ok so jimmy finally got that chick down to the apartment. so right b4 they start makin out, lets axe bomb and shaving cream bomb the room theyre in.
they do it.
she runs of screaming.
guys yell"oh yeah no chica for him tonight."
and since i have to include the whole word in here (T.C.B) tactical cock-block