lapel chum Share definition Flag to intentionally vomit inside one's shirt to avoid making a mess anywhere else I appreciate my hungover friend choosing the lapel chum in the Uber on the way to the airport instead of all over the car. lapel chum by Woodpecker Strong December 20, 2025 0 0 Get merch Get the lapel chum mug. Buy Now — $32.95 See more merch