pfth Share definition Flag A derisive expression; usually denoting disgust and disagreement at the same time. When Ari claimed that Bill and Ted's Bogus Adventure was the greatest movie ever made, I could do nothing but retort with a "pfth". pfth by lil'lamb April 20, 2006 0 0 Get merch Get the pfth mug. Buy Now — $32.95 See more merch
