Grillfriend is a permanent version of a girlfriend . In which where the boy and the girl promise that they won't leave each other and their relationship goals are marriage and kids
Boy - hey can you be my grillfriend
Girl - OMG yes i want to be your grillfriend
Boy- i promise i won't leave you
Girl - same here
by Goodboidan February 19, 2019
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A female who trys to flaunt herslef yet has an overly unattractive set of teeth which she appears to be oblivious to.
My shorty's grillfriend aint gettin no play with that set of canines!

Grillfriend has more sharp edges that a razor blade factory in a tornado!
by wudmt July 11, 2011
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