Top definition
it means sorta like mind ya business. as in stop buggin me. u can use it 2 scold gossipers too. used w/ all up in my business
jen: so what did u & him do last night huh?
tia: geez, all up in ma business all up in ma grill!
by PinHeard March 09, 2004
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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2
To be all over a person in a sexual fashion.
"Yowanda wants me up all in her grill tonight!"
by Peterson September 07, 2004
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Golden Shower Plush

He's warmer than you think.

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