eynsham Share definition Flag A village outside of Oxford famous for inbreeding hense the term 'inbredsham.' Hey look at that guy he's got the same eyebrows as his sister...who is also his mum: must be from Eynsham. eynsham by Martin Talbot September 16, 2007 0 0 Get merch Get the eynsham mug. Buy Now — $32.95 See more merch