squib

(noun)
1. In film, a small explosive charge hidden under an actor's costume and detonated in order to simulate a bullet hit.

2. In Harry Potter, a non-magic person born to magical parents.

1. They had to re-take the shot because the squib didn't go off on time.

2. Filch is a Squib.

by Pox Voldius January 01, 2005