Definitions by Nico69

grand houdini 

It starts out when a man is fucking a girl from behind, while she is facing out a window. Another man sneaks out from a nearby hiding place. Man 1 quickly pulls out while Man 2 quickly jumps in. Man 1 sneaks out, runs outside, and waves up to the unsuspecting girl at the window.

Spencer and I totally nailed that grand houdini!

grand houdini by Nico69 December 1, 2006

gl 

refers to either good luck, or guild leader. The latter of the two is mainly used in World of Warcraft.

1. Gl pwning the horde, they are pretty good.
2. Is you gl online, ive been trying to join?

gl by Nico69 October 24, 2006