laxidasical Share definition Flag The MORON above misspelled "lackadaisical." (aka: Fail) The fool was too lackadaisical to look up how to spell it correctly. (not: laxidasical) laxidasical by ProfessorSmarterThanYou January 20, 2009 0 0 Get merch Get the laxidasical mug. Buy Now — $32.95 See more merch