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A broken beer bottle; usually used for self-defense in a bar fight, or as a deadly weapon in a rumble and/or your standard bumfight.

Two-Bit Matthew's weapon of choice when a gaggle of Socs roll up on him, Pony Boy, and Johnny at the Drive-In.
I got into an argument with this guy down at the pub last night, and he cut the shit out of me with an Irish Switchblade.
by Detroit Steve February 06, 2012
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