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Originates from the football player 'Roy Keane'. Used to descibe someone who tries too hard or is too 'keen' to impress, or over excited about something. This has developed to being a 'roy'. Too keen - Roy Keane - roy.
'He was a total roy', 'I've met a right roy', 'Is your name roy?'
by Missyeggs February 10, 2008
Derogatory term for a gay person. Short for roy g biv, the colors of the rainbow which is the symbol for gay pride.
Did that dude just check out my package? What a roy.
by 510 April 26, 2006
1) An excellent character from Super Smash Bros. Melee who really needs to comb his hair. He's also got a huge, flaming weapon called the Sword of Seals. Please note that 'flaming' refers to the state of being on fire, and NOT the Urban Dictionary definition of flaming. Roy is much cooler than that.

2) An annoying co-worker who insists on spending his time trying to permanently destroy any last bit of sanity you may still possess.
1) "You're playing as Roy again? Damn! I'm sick of being dismembered!"

2) "Damn it, Roy! If you don't shut up about your kid's stupid football team, I'll be forced to set fire to your cubicle!"
by shinjitsu May 31, 2005
r=rumor,o=on,y=yard roy=rumor on yard. roy is a part of a type of prison slang pronounced roy
"I'm gonna start a r.o.y. that im a lesbian! -Kathy Griffin
by Saraiyu August 01, 2007
To expel vomit over one's shoulder without breaking conversation, and continue like nothing happened.
I went to a party last night and I Roy'd everywhere. Thankfully I don't think anybody noticed.
by the_internet October 09, 2011
In a gay relationship, a Roy is the man in the relationship. He takes the top in bed. Taken from the ROY G BIV acronym used when describing rainbows.
Trevor is such a Roy. He's in there watching Monday Night Football while Chase is in the kitchen making fondue.
by Skatchmo January 16, 2009
The word (or name) is to be cried immediately following the output of personal human flatulence into the air to evade excessive physical mistreatment (punching, noogies) by nearby parties that may call out "doorknob".
Synonymous with the word "safety".

Can also be said with emphasis, for example, "YOY!", "YIBBA YOY", "GRIIBA RIBBA ROY!!", or simply "OY!"

Anton: Good call man I should have yelled doorknob so I could have punched the shit out of you

Seigon: Sorry bud, you know how it is, I'm just quick on the ribba ribba ROY *fart* "YOY!!"
by Kogan57 December 10, 2009