Be you in a shit Share definition Flag A common saying when saying goodbye to a friend. It is a play on the common phrase, 'See you in a bit'. 'Yeah safe bro I'll see you tomorrow.' 'Nice one mate, be you in a shit'. Be you in a shit by derulais April 6, 2019 0 0 Get merch Get the Be you in a shit mug. Buy Now — $32.95 See more merch