Butter on my corn till I pop

"Butter on my corn till I pop" is a way of saying someone is indulging in something until they reach their limit, much like slathering butter on corn on the cob until it's swimming in it. Imagine a piece of corn so enthusiastic about getting dressed up in butter that it doesn't know when to say "enough!" and keeps going until—pop!—it metaphorically transforms into a popcorn kernel bursting with too much excitement. Alternate: Edge until climax