What is Crazy Gecko?
1.
When a male is standing up and giving it to a girl from behind, and her hands are against the wall infront, the guy slips his penis out of the vagina, an the quickly into the pooper, which is quickly followed by the girl scrambling up the wall, as geckos do.
Jack: I gave Jesse a crazy gecko last night.
Leon: Damn! You beat me, I wanted to give her that.
See