Lambdacism Share definition Flag The inability to say the letter L. Who the hell decided to make speech condition for someone inable to say the letter L START WITH A LETTER L? The guy who called the inability to say the letter L Lambdacism was an asshole. Lambdacism by archeh May 2, 2024 0 0 Get merch Get the Lambdacism mug. Buy Now — $32.95 See more merch