jaw-dropper

(something or someone) that makes your jaw drop.

Matt: "Did you see that girl?"
Mike: "Yeah she's a jaw-dropper."

jaw-dropper by r.l.frisby December 15, 2008

Utah Jaw Dropper 

A sexual maneuver in which the the girl is on top, facing the man, who is on his back. As she is riding him, a friend comes from behind and penetrates her anally, causing great surpise, or "jaw-dropping".

Steve was bonin' his girl, and Al decided to pull a Utah Jaw Dropper on her. Needless to say, that bitch freaked out!

Utah Jaw Dropper by theyoneman April 3, 2007

jewish jaw dropper 

“A maneuver (usually derogatory), consisting of a man poking the back of someone’s head with his erect penis, in a similar fashion of the German soldiers putting their guns to the head of a Jew during World War II.”

"dude, i snuck up behind kyle after I got out of the shower and gave him a Jewish jaw dropper."

jewish jaw dropper by Lloyd Franklyn October 14, 2007

jawdropper 

something very surprising

The Incident of attempting to rethink the strategy regarding weapon smuggling grew into a jawdropper due to that one mistake.

jawdropper by The Return of Light Joker July 17, 2011