A Wraithmell is a moment of extreme panic or shock experienced by a male when he gets "hit on" by a horny/crazy slut in a bar.
Symptoms include a fluttering heartbeat, temporary loss of speech, deep reddening of the face and in severe cases a retraction of the testicles back into the body similar to the manouvre used by sumo wrestlers to protect their nads during a wrestling bout.
Check him out !! He's gone all Wraithmell because that chick wants his huey !!!