Hourihan
The act of motorboating an ass from behind. While performing a Hourihan, the proper facial positioning is to have one's nose level with the balloon knot (or the chocolate starfish, rusty sheriff's badge or whatever you're working with). Once positioned, the giver should aggressively move his/her face from side to side. It's completely appropriate when delivering a Hourihan to a female to ring the buzzer or DATY.