A COLLOP is a slice of meat or rasher of bacon. COLLOP MONDAY is the day before Shrove Tuesday.

(Observations on Popular Antiquities, 1841) pic.twitter.com/80tt2pHL9n

— Haggard Hawks (@HaggardHawks) February 27, 2017

I trust everyone is enjoying Collop Monday … https://t.co/FEDg1JPu2s

— Geoff Barton (@RealGeoffBarton) February 27, 2017