-A person who is both obese and obnoxious.
-95% of obese people.
-A person who is fat but thinks they are not, and gets angry at people for nothing, and calls them fat.
"Man, that guy is so obexious! He's huge, but he calls me fat all the time!"

"That fat girl over there is such a bitch. She's so obexious!"
by Sarahisamazinglycool April 2, 2009
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Aka swag, a skinny person, typically a guy in his 20s or 30s, who is willing to swallow some ass juice.
“Hey Tim, there goes a fine obexi, look how he’s trying to get some meat for tonight!”
by Topdog76 July 5, 2019
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Gay person, who likes to fuck with (really) fat guys. Obexi gays can be both active or passive, but they are usually submissive.
"Oh look at that couple, the big gay with that adorable obexi on his side!"
by RiderMonk911 September 17, 2020
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