The act of fingerbanging any dark hole resembling a hole in the earth by placing your ring and index fingers in line, still touching, with your middle finger.
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
Bob: hey Jeff, you gotta check out this party!! You DTGR?
Jeff: Hell yeah! DTGR!!!