Glump score

The amount of ball pit balls (usually 2 inches in diameter) one can put inside their rectum. At least half of a ball must be inside for it to count. Someone can have up to 2 glump scores depending on whether the balls are lubricated or not.

Guy 1: Hey bro! What's your glump score?
Guy 2: I've gotten 20 dry, but with lube i'm able to get up to 30.