For use when you begin drawing a large penis in your friends' book, but quickly have to change it to something else when they realise what you are doing.
Samuels: FUCK - THAT HAD BETTER NOT BE A FREAKING PENIS YOU ARE DRAWING IN MY BOOK!!
Used when you are getting differing amounts of people together with intentions of doing something that is:
1) fun/crazy
2) something you wouldn't normally do
3) an event that requires enthusiasm and energy
4) just plain rowdy