look up any word, like fleek:
 
1.
(something or someone) that makes your jaw drop.
Matt: "Did you see that girl?"
Mike: "Yeah she's a jaw-dropper."
by r.l.frisby November 27, 2008
 
2.
something very surprising
The Incident of attempting to rethink the strategy regarding weapon smuggling grew into a jawdropper due to that one mistake.
by The Return of Light Joker July 17, 2011