Flat lizarding is where the male of the species tries to either scare an opponent or impress a female by dropping there Dacks and shoving there dick up against a window in the direction of the victim.
Brett: Hey Alex check out those whores on the bus
Alex: Oh shit those guys are flat lizarding us!
Brett: Don’t pretend that you don’t like it
Alex: Oh shit those guys are flat lizarding us!
Brett: Don’t pretend that you don’t like it
by Alex Bailey May 18, 2005