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bust ass out of (some place)
rude slang To leave a place hastily. We busted ass out of the party when we heard sirens approaching.
bust ass out of some place
Sl. to get out of some place in a hurry. (Potentially offensive. Use only with discretion.) I had to bust ass out of the house and run all the way to school. Bob busted ass out of the classroom and headed for home.