schlumkin Share definition Flag 2-3 gay males (faggots) gripping each other's testicles and lightly tasting/testing each other's asshole tighness The boys and I did a schlumkin session for an hour and a half. schlumkin by Doom Sentinel April 9, 2024 0 0 Get merch Get the schlumkin mug. Buy Now — $32.95 See more merch