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A multi purpose firefighting tool, used for forcing entry into buildings. Similar to a pry bar or crow bar but with a pike end, a forked end and an adz (flat) end.

Grab the halligan and force that door.
by Westley E October 21, 2007
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A name given to an athletically gifted person.
steve noticed carl running around the track at an incredible pace, he then exclaimed he must be a halligan jimmer
by jiggamoe February 19, 2011
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The process of doing something that your not supposed to, then being upset you have to reep the consequences.
Josh got fired for being on a website that we were not supposed to be on, What a Halligan!!!!
by King of Rice November 02, 2007
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