Throwing a flashbang grenade at someone, having sex with them, and then giving a them a magical money shot to the face. So when they recover from the flashbang and can see again, they dont notice they're walking around with semen on theirface.
Person 1 : hahaha look at that dude hes got jizz on his face and he cant see where hes goign!
Person 2: Perhaps he was hit with Flashbangsexmagic
by Paddy O'Mally October 4, 2008
Get the Flashbangsexmagic mug.