look up any word, like trill:
 
1.
After being rejected sexual release from your parter, you wait for them to fall asleep, elavate to your haunches and stroke your donger until you are ready to ejaculate.... at that moment you slap them in the forehead and yell "surprise" as you paint your load across their unsuspecting face.
Jim " so did you get laid last night?"

Dale " no but when she fell asleep I gave her the ol' "Okeana surprise party" and then wiped my dick off on the curtains"
by happymeats July 05, 2013