To betray or deceive your friends or your loved ones. To flav is to be the worst of the worst; to delude those your love so badly that they lose any remnant of trust or friendship; to fraud
Friend 1: Did you ever meet up with Mike the other day?
Friend 2: Nah, that motherfucker totally flaved me; I'm done with that nigga
Friend 2: Nah, that motherfucker totally flaved me; I'm done with that nigga
by Nine of Spades June 09, 2013