8
a) (offensive) an irrational/non pragmatic/behaviorally unpredictable person who is neither under the influence of any drugs/alcohol nor has ADD/ADHD
b ) (sarcastic) a person who does rational and somewhat pragmatic things first without, however, having thought them through properly and then asks intelligent questions regarding his previous pragmatic actions
c) an offensive term for children with, or perceived to have, ADD/ADHD, regardless of whether or not this is truly the case
boy a) my girlfriend is such a loose cannon, and makes the most irrational, non-pragmatic decisions, is there anything I can do?

boy b) are you lol, your girlfriend's social worker or psychiatrist? It may be that she is just a loose cannon according to you, IYHO only and normal to everyone else. and lol, is it possible that you are a loose cannon according to her?

boy a) Dunno and idc if i am a loose cannon according to her. IMHO she needs a few doses of methylphenidate
by sexydimma May 04, 2013
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9
Someone who gets stuck into the coke on a regular basis and loves to party.
Max the axe is a loose cannon. That cunt needs to be put on a leash!!
by getonit November 18, 2009
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10
A girls downstairs which has ben used alot by other guys. Usually you can hear the cannon, which is the smacking together of the loose lips.
"That girl has a loose cannon"
by csnerd January 08, 2006
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11
An open fly with your junk hanging out unpurposely.
Mike - Dude, check out the loose cannon!
Stu - Aww man, not again...
by Ben Crocker April 20, 2005
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12
Since he had a loose cannon, he blew his load in his pants.
by Dome Froggie December 14, 2007
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13
A person with the ability to go off unprovoked (usually under the influence of alcohol) at any time, cause disaster at a whim whilst completely unaware of the carnage around them.
He's a loose cannon, he could go off at any time.
by SmokerOfDogs July 23, 2015
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14
A drinking game in which the participants consume Haribo fat-free gummy bears before trying to attain the contact information of an attractive member of the opposite gender. Due to the explosive effects that the gummy bears impart on the participants bowels, this means that the attempt to attain information is under a very strict clock. If the participant attains correct information before expelling the contents of his bowels then all of his / her comrades must drink, otherwise he must.
Dude, I totally loose cannoned that girl.

-M.S.
by OtherPseudoname May 16, 2014
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