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Mordecai's best friend on the tv show Regular Show.
He is funny, annoying, and very cute.
Boy:Did you see what happend with Rigby on the Regular Show Last Night?

Boy's Sister:You know I don't watch that crap.

Boy: You suck.
by thepsycosidekick September 10, 2012
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Jul 28 Word of the Day
to sport a boner, fly the sail at full mass, rock hard, etc.
"I had a lot of cartoon characters that used to get me sexually aroused as a kid... The female reindeer from the Rudolph claymation series, when I was in preschool, I used to be bricked up watching that shit." -Jack Harlow
by real_philly February 11, 2020
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a man in possession of a foot-long schlong which may be classified as a weapon of mass destruction.
Word spread quickly around the college that Patrick had a rigby, however this proved to be unsubstantiated rumour.
by adolfkitler February 28, 2010
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rigby come here rigby! good boy

and yes this is acualy my dogs name
by ilovedan_and_phil February 10, 2018
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rigby 1. (noun) A shorthand for the the entirety of the all good traits a person possesses, despite the current conversation not being one that depicts that individual favorably. Originally an acronym from the HBO show "Silicon Valley" (episode 301 "Founder Friendly") for "Richard Is Great, But Ya'know," R.I.G.B.Y is defined by the character Gilfoyle as "...a dictionary compress all the nice-guys stuff."
"...he's to much of a prima donna to let someone experienced come in and run the company the way it's supposed to be run. Rigby."
--Bertram Gilfoyle

"I mean, seriously, fuck that guy. Fuck him. Rigby."
--Dinesh Chugtai

--Silicon Valley, episode 301: Founder Friendly
via giphy
by The Rev Mason Stone December 19, 2019
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The act of inserting part of your scrotum into your anus. Verb denoting said act.
Guy, the other day I was watching reruns of Married with Children and scratching my balls on the couch -- I decided to see how far my scrotum could stretch and ended up rigbying myself.
by dan7575 November 27, 2007
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someone named rigby is someone who isnt gay and never will be. they would never date a boy they only love sexy womans. im so alone
person a: im not gay
person b: haha nice, sounds like youre rigby
by rigby2 April 05, 2014
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