Schmedlap Share definition Flag A derisive term coined in the mid-1970's indicating the person was an idiot, geek, or loser. Nice move, Schmedlap. You've managed to screw up the order again. Schmedlap by The God of Grammar July 18, 2016 0 0 Get merch Get the Schmedlap mug. Buy Now — $32.95 See more merch