when you have that light bulb appear and get a new idea. Just like in the cartoons you have one your self.
by SophieMcChubbs December 12, 2010
The light bulb moment is the moment in time when someone comes to the realisation that they are gay.
He had a light bulb moment whilst watching the gay pride parade when he realised that he was just like them.
by my-slant August 23, 2006