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The sperm of a gay male.
Renaldo: "What did you do last night, Josh?"

Josh: "I hooked up with a hot dude and left my gaybies all over his face!"
by Jaybirdking April 22, 2009
a baby with 2 parents of the same gender
the gays adopted a gayby
by Raoul Inglesias September 07, 2006
The offsping of a homosexual couple.
"Wow look at the cute little gaybies in the stroller with those two kissing dudes."
by A-ron the Barbarian March 12, 2008
a baby belonging to gays; a gay baby
Karl and Tom just adopted a brand new gayby.
by who11 November 29, 2006
the baby of a gay parent or parents
guy 1: Steve is a gayby
guy 2: a WHAT?!
guy 1: he's a child of gay parents.
by graciebby123 July 08, 2009
Young children adopted by, born to, or raised by a same sex couple.

Singular: Gaby
Lucy: "Are you going to Mark and Eric's on Sunday?"

Sean: "Are you kidding? Of course! Gaybies always have the coolest birthday parties"
by ChiChiMcGee January 04, 2011
a baby in the care of a homosexual used to attract members of the same sex
me: did you see john in the park today?

bob: no..why?

me: he has a baby and was surrounded by a decent sized crowd of attractive men

bob: john has a gayby? daium i'm gonna send him a booty text tonight
by cupcake1992 January 08, 2010
artificial babies created by gay couples.
i have 4 daddies that made lots of gaybies
by Alexander. the Great April 25, 2006