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A term coined by the gentlemen of Beckfoot School as an alternate to Minge, Clunge and Gash, when discussing the Vagina in conversation.
Robert: I am gagging for some Gref.

Susan has a banging Gref.
by Big-OH January 23, 2009
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The phenomenon when all words that you could possibly make up are found on UrbanDictionary.com (often of homosexual connotation).
freg, wert, frim, birt, and trib are all gref-tacular.
by naomijulia March 19, 2008
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