To eat in a way which is piggish, like a cop eating donuts or a black man eating ribs.
Home boy hadn't eaten donuts in so long that as soon as he had his hamfists on em he was gruffling happily.

I wouldn't risk gettin my hand near that Negro's mouth, the way he's gruffling them ribs.
by DL Smith June 22, 2006
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The extra cellulite on a girls hips.
Those tight sweat-pants really accentuate her gruffles.
by Guigfu February 15, 2010
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(interjection) like a curse word or "wow!"
"did you see that girl last night?"
"gruffles man, she was hot!"

"what the gruffles did you just say to me?"
by Aaron May 10, 2003
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Someone who is all hot and aggrevated or moody. Someone all in a huff. Usually aimed at spoilt children who cant get what they want or women on their period.
Woman: bla bla bla nag nag whinge whine your not going to the pub
Man: Stop being such a gruffle monkey and put my dinner on for 10pm.

or

Man: Lets have sex darling
Woman: I cant im on my period whinge whinge nag nag
Man: Stop being such a gruffle monkey and take it like a man.
by Moon Meeko May 25, 2007
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A phrase used to express feelings of contentness, frustration, and many other emotions.
While laying on the sofa with your loved one and enjoying a cozy day in, one might sigh and say "Muffle Gruffle," as they snuggle in.

Boss: Hey Johnson, your quarterly report is due at noon.

Johnson: (under his breathe) Muffle Gruffle...son of a...
by Moose Wrassler April 3, 2009
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The little growls and guttural barking noises made by your dog when he hears a sound outside.
It's raining outside, so my dog has been making little gruffles all day!
by LCariad December 8, 2016
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