1 definition by yourewelcome2020

1

An abbreviation for “mama ain’t raise no bitch.” Often used while drinking or in place of “YOLO.”

You’re about to take a shot but don’t think you can. You say “MARNB” and knock it back.

by yourewelcome2020 April 10, 2020

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• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request