Top definition
A Psychotic person. Short for lunatic.
Damn that guy was chewing on his finger because he thought it was a peice of chicken. What a fucking LOON!
by Delta9 March 01, 2005
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2
In Aberdeen, Scotland, it's local dialect (doric) meaning a young guy. That's probably why there's another definition further up, for fans of the Scottish actor Billy Boyd. Whose not from Aberdeen I think but never mind.
"Aye, d'ye ken that loon fae two doors up?"
by loon July 02, 2004
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4
A balloon filled with nitrous oxide (NOS) That is inhaled as a recreational drug
Im buying some loons tonight
by Massive log February 08, 2019
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5
Crazy mofo's. Psychotics. Loonies.
Damn i went to a party last night and saw some guy get his throat sliced by a couple of Loons.
by Delta9 March 01, 2005
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6
noun
1 a large North American bird that eats fish
2 =LOONY
3 a rapper who belongs to Badboy Record
by obie September 11, 2003
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