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
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