Originally meant "warlike" or "aggressive." Now means "drunk" due to widespread misuse. But that's the idea behind urban words, so now it means drunk.
(Original) Archibald has been ruffling this fellow's feathers for nearly a fortnight now. I dare say he has been simply belligerent.

(Modern) Oh my gawd this muff cabbage pissed awl over Johnny B's carpet. What a belligerent bitch.
by manthan October 28, 2010
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a person who is being blatenly a dick for the hell of it
when someone says I feel like being belligerent..and then dumps their whole drink on the carpet and tells you to clean it up
by buttah May 9, 2006
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Inebriated. You know, drunk off your ass. Drunk enough to fuck tub girl (while she's in her famous "pose"). Drunk enough to chain smoke an entire pack of cigarettes and then immediately forget that you've even had any. Very, very, very, very, very drunk.
Uh oh. Looks like he's already belligerent.
by friend of bob May 18, 2004
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Acting out of control. Saying things that lack intelegence, being with out a filter.
"lol Kedrick Was So belligerent last night!"

"i know the way he dived after that bottle was insane!"
by sb,jg,Lc March 23, 2010
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The opposite of pacifism; the belief that war is a good thing, and there should be more of it.
"General Patton was a firm believer in belligerism."
by smendler July 29, 2009
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The act of coercing someone into doing what you want through the art of belligerence.
"Hows it going with that girl?"

"I'm trying to belligerate her into going out with me."
by Doctor Eyeball November 1, 2009
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Premeditated FUCK YOU
I see y'all decided to be belligerent today cause not everyone has signed my paper yet.
by seweroba November 11, 2014
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