A baby a gay man has with a straight woman to try to prove his heterosexuality.
Suzanne: Oh God, is John really dressing his gayby as Cher for Halloween?

Riley: Why isn't Claire suspicious that he already owns a wig and high heels?
by West by NorthSouth December 23, 2010

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Top Definition
a baby with 2 parents of the same gender
the gays adopted a gayby
by Raoul Inglesias September 07, 2006

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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

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a baby belonging to gays; a gay baby
Karl and Tom just adopted a brand new gayby.
by who11 November 29, 2006

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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

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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

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A place on the side of a motorway or dual-carriageway for two beefy male lorry drivers to smash each other's back doors in.
"Breaker breaker - Horny-Shawnie here. Coming up to the gay-by near Marmite Superhighway. Anyone fancy a bum? Over and out"
by ShittierJokes August 10, 2017

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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

The Urban Dictionary Mug

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