In the episode “They Shoot Gilmores, Don't They?,” in reference to A Christmas Carol.
LUKE: Taylor, you are asking me to donate free coffee to hundreds of people so you can raise money to buy a tarp.
TAYLOR: How about fifty cents a cup?
LUKE: How about I charge for cream?
TAYLOR: You would kick Tiny Tim’s crutch out from under him, wouldn’t you?
LUKE: If he asks for a free cup of coffee, gimpy’s going down.
Luke’s response to Taylor when asked if he’d supply free coffee to the dance marathon participants.
Read more about A Christmas Carol