Characters
Hey look, mister, we serve hard drinks in here for men who want to get drunk fast and we don't need any characters around to give the joint atmosphere. Is that clear or do I have to slip you my lip for a convincer?
— Nick • It's a Wonderful Life

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A gruff bartender tells a customer that his establishment sells strong liquor to men wanting quick drunkenness, not to eccentrics who add color. He ends with a blunt threat, asking whether the message is clear or whether he must back it up more forcefully.
Context reviewed