Trumpet Schlong Share definition Flag When one’s penis is flared at the end, somewhat resembling a trumpet or other brass instrument. “Yo Jack, did you see that?! Fidel’s got mad trumpet schlong! Trumpet Schlong by Crumbling peen October 17, 2020 0 0 Get merch Get the Trumpet Schlong mug. Buy Now — $32.95 See more merch