Definitions by Panchos Pitacos

Thank-you muchly 

A expression of thanks most commonly used by overly cheerful people who think they are clever and original. Often heard in the customer service industry.

Customer - "Here's your tip. Thank-you muchly!"

Waiter - "I hope you get raped in the parking lot."

Thank-you muchly by Panchos Pitacos December 16, 2010