maghanap ng salita, tulad ng cunt:
 
1.
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!
ayon kay PinHeard ika-09 ng Marso, 2004
 
2.
To be all over a person in a sexual fashion.
"Yowanda wants me up all in her grill tonight!"
ayon kay Peterson ika-07 ng Setyembre, 2004