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.
Someone You Generally Can't Stand Maybe It's Their Face, Personality, Social Skills Or Lack Of Intelligence; You Try Your Absolute Hardest To Get Away But Always Resulting In Failure.
Example:
Person 1: Shit Me It's The Hallahan, Hide.
... 1 Minute Later...
The Hallahan: Hey Guys, Ooo I Love Hide And Seek!
The act of convincing your work colleagues you are wealthy, upstanding member of society when in reality you control a large illegal hydroponic syndicate.
He's a full blown Halligan mate, the guy drives mercs! I'm telling you, it's shady as!