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Graby is the colloquial term for a man's semen, or more commonly known as BabyGravy.
"Y'arigh' love, ye want me graby between ye' baps?"

"I'm going to bast your oven with my graby, tonight"
by Peter Foil August 19, 2011
Grumpy baby.
George was being a total graby this morning.
by mothergoose99 February 04, 2010
Abbreviation: Meaning GIMP rabies =]
Ross: Man look over there its a pvc suited guy with grabies

Belle: Damn those GIMPS...
by ross david westerly September 04, 2007
grown baby
Haley's a graby
by CallMeSK January 06, 2010