Top definition
A broken off beer or liquor bottle, (in some instances, a broken pool cue) used as a jagged weapon in a fight. Usually the person brandishing it is Irish, pissed off, and swings it around like a lightsaber.
I nearly got cut in the face with an Irish lightsaber when the soccer hooligans were rioting outside the bar.
by Dr. Claw February 08, 2009
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