Maybe i should clear this up, it doesn't work for any guy under 14, and really when you're that old it shouldn't even be worried about. This is more or less a tool used by teenage males to determine whether or not that drunk chick that got tipsy off two coolers and is now shoving her toungue down your throat, maybe isn't the girl you should take home and have a regrettable 20 minute experience with. No that never happened to me, because i had the rule.
Fill your cup up then chug, Roll a joint up and get fucked, Ready for a kitchen party, Welcome to the Maritimes!