A sexual act in which a partner, while performing cunnulingus on a female, blows vigorously into the vagina. The reciever then screams out annoyingly, thus becoming the vuvuzela.
Person #1: Hey man, why were you blasting the South Africa World Cup game this morning?
Person #2: No dude, I was making my girl a vuvuzela last night.
Person #1: Oh, that explains that it.