Dwayne: Who said anything about a discount?
Kramer: Ooh, how quickly we forget. You owe me buddy.
Dwayne: For what?
Kramer: (takes out candy bar) Remember this?
Dwayne: What are you doing?
Kramer: Six months ago you were eating four of those for breakfast and chasing it with a Ring Ding! And two Butterfingers on the train. Sound familiar?
Quote from S05E03 - The Glasses