(n./adj.) 1. The state of mind trendy kids take after drinking 8-12 Bud Lights and begin fighting everyone in sight. When they return to sobriety, they act as if nothing occurred and frequently use the excuse of "Sorry man, I was drunk when I did it"
Eric: Did you see Steve? He's has gotten into 3 vicious fights tonite!

Josh: Well, he's drank around 10 Fight Light's, so that behavior is expected
by idufhishd July 25, 2006
Get the fight light mug.