Cha Share definition Flag It's Lancastrian and possibly more specifically Prestonian dialect/slang. It's means mate/pal/boss/marra/compadre "Oreet cha?! Hows thee doin'?" "What you up to cha?" "I'm well pissed up me cha" Cha by Pish and Phlipflop December 28, 2017 0 0 Get merch Get the Cha mug. Buy Now — $32.95 See more merch