Used to explain when something you eat is so gigantic all you can do is grunt and chew.
Slang: can also be used to describe the male genitalia.
Guy 1: Dude why are you grunting so much?
Guy 2: because this burger is just so Gigruntic.
Girl: My new boyfriends dick is so Gigruntic I can barely fit it in my mouth.
© 1999-2015 Urban Dictionary ®
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