bigass

big-ass

1. noun, rude slang Someone who has a large or prominent buttocks. That big-ass is totally in my way—I can't get by!
2. adjective, rude slang Describing someone who has a large or prominent buttocks. That big-ass fool is totally in my way—I can't get by!
3. adjective, rude slang Describing something that is excessively large or prominent. I live in a studio apartment, so where do you propose I put this big-ass chair? There's no room on this committee for Paul and his big-ass ego.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

bigass

1. n. a person with very large buttocks. (Usually objectionable.) Some bigass came in and broke the chair when he sat down.
2. mod. pertaining to someone who has very large buttocks. (Usually objectionable.) Tell that bigass jerk to get out!
3. mod. pertaining to a person who is self-important, overbearing, or arrogant; pertaining to anything having to do with arrogance. (Usually objectionable.) Take your bigass ideas and go back where you came from.
4. mod. really big. Did you see that bigass SUV hit the little Honda?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
See also:
References in periodicals archive ?
Pointing to Russia, China, Iran and the Democratic People's Republic of Korea, for instance, Marine Corps Commandant General Robert Neller recently told US troops in Norway to expect a "bigass fight" in the future, adding, "I hope I'm wrong, but there's a war coming."
He's got a bigass [= generally big, not just having big buttocks] peacock right here--Heat, film, 1995
Big bows, sculptural crosses, an asymmetric top and a bigass bottom.
REB DoMiNe: heh i have a bigass feeling you would hate quite a few people here
Big Butt's name could refer to his obesity, or it could be a variant of bigass, which is American slang for "pretentiously large," "pretentious," "self-important," or "arrogant" (Chapman 24, Spears 16).