Get a wesh Share definition Flag This implies that the person in question, smells quite bad, and therefore should get washed! "Hey you there, isn't your name Filbert?...well tha needs to get a wesh mate!...tha stinks like a monkeys rear!" Get a wesh by The great scalliwag March 28, 2009 0 0 Get merch Get the Get a wesh mug. Buy Now — $32.95 See more merch