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pronounced "yawb"

Year And A Bit

a unit of time measuring one year and a maximum of 11 months.
Andrew: "hey, when's your birthday?"
Elizabeth: "in a YAAB."
by ninjaANDevanr August 22, 2010
You Are A Bitch. Acronym useful for chatting online.
Girl 1: "God your hair looks awful today"
Girl 2: "YAAB"
by Cinnamon Rose December 09, 2003