a cleggy Share definition Flag The accidental posting of a private and highly confidential chat into the public domain. "Oh no A Cleggy, I accidentally posted that Ena is a liar in group for all to see, my arse registered a 10 on the sphincter scale while I battled to delete it !!!" a cleggy by Cleggers July 18, 2016 0 0 Get merch Get the a cleggy mug. Buy Now — $32.95 See more merch