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(Grig.ah.Lis) (Grig.oo.lis) Noun: The excess belly fat which hangs out of a person's shirt and can be seen by others.
Jane: Did you see the man's grigalus hanging out of his shirt at the supermarket?

Stacey: Yes, that was disturbing. He needs a bigger shirt.
by Oface18 October 14, 2011
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