peepee gnarler Share definition Flag When a woman or man with gross beaver teeth bites into the penis of a person when they are giving them a blowjob. SARAH: "What did u do last night?" NICOLE: "I found out that I was a peepee gnarler." peepee gnarler by DrOk63 February 27, 2003 0 0 Get merch Get the peepee gnarler mug. Buy Now — $32.95 See more merch