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(adj) means annoying in a particularly vulgar and cheeky way. To be rude, insulting, and offensive. It is often used to refer to something intentionally oversized or intentionally offensively loud. Bragging is considered obnoxious, as is intentionally disregarding a rule. Showing off your disregard for a rule or order. Being blatantly disrespectful of social norms and those who would enforce them.
I tried to tell nim to turn down his music so i could sleep and that obnoxious asshole stared me in the face while he turned it up, i almost killed him.
by fancysoup June 03, 2009
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People who are overly loud, sometimes offensive, & almost always irritating; will give you the compulsion to tear your own ears off to shove them down their throat.
Johnny was being so obnoxious, his own mother pretended not to know him.
by CheriBlack June 04, 2015
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–adjective
1. highly objectionable or offensive; odious: obnoxious behavior.
2. annoying or objectionable due to being a showoff or attracting undue attention to oneself: an obnoxious little brat.
3. Archaic. exposed or liable to harm, evil, or anything objectionable.
4. Obsolete. liable to punishment or censure; reprehensible.
I sit next to an obnoxious person that always farts. He's lactose intolerant, that's why.
by Lawrance December 08, 2007
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insulting vulgar and rude, someone who adds insult to injury by blatantly disregarding social rules or customs.

vulgar, oversized or offensively loud

cheeky, one who parades their non compliance and brags about disrespecting those in charge
that obnoxious lady went on about how much she loves her hair in front of all those bald cancer kids

he drives an obnoxious car the size of my house

i just told him to stop going in my room and i walk in five seconds later and he's in there reading my friggin diary

he's sitting on a box that says fragile and its clearly gettting crushed under his weight, but he doesn't give a shit
by fancysoup June 03, 2009
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