A Celebratory penis Tap is When a man/woman decides that they did something fantastic, then they tap there own or someone else's penis with satisfaction.
Corey "I did a Celebratory Penis tap last night, I was so happy."
Micheal "Really, you should do one on me right now to celebrate."
Refers to falling asleep or passing out with friends around. Then awaking to some prank that involves a penis on your face, whether drawn on or actually a penis on your face.
"Hey remember when he was the first person to fallasleep at your house?"
"Yeah, he totally woke up with a penis on his face"