Nob Squab Share definition Flag A twattish older brother who always takes the piss out of you because you've got a slight moustache. Brother: "Oh my god, you've got a moustache!! hahahaha" You: "Nob Squab" Nob Squab by yes, tom, it's me February 18, 2009 0 0 Get merch Get the Nob Squab mug. Buy Now — $32.95 See more merch