ba3boos
Arabic slang for giving someone the finger in a fancy way. The 3 is just there to make it look cooler, like it’s a secret handshake for jerks.
My cousin got ba3boos’d by his teacher after he talked back in class.
She ba3boos’d him right in front of his mom during the family dinner.
He ba3boos’d the whole class after they laughed at his failed science experiment.