Top Definition
A grinchbeef is a term used to describe a unattractive overweight female who will gobble any cock no matter what.

You could desribe her as being fat, greasy, and basically... a slag.
fuckin ell, i think jeff wants a bit of that grinchbeef nextdoor. Nasty.
#fat #fat slag #beachball #bbw #manbeast #whale
by thrasherdave March 16, 2010
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