getting ready to do something.
"Hey man, I'm abousta to get up outta here!"
by ATLhighgirl February 11, 2004
About to happen, or it will inevitably happen.
Bitch, you abousta be donkey punched if you keep runnin' yo mouth.
by Chris in the cubicle farm February 11, 2004
Used when conveying one's intention to perform a certain activity in the very near future.
I'm abousta slap yo mamma!
by Jeff and JP February 12, 2004