Top Definition
A type of shirt, often with a nature pattern, that is manufactured for and sold at COSTCO. Often worn by family men without much sense of style.
Phil put on his COSTCO Shirt before going for a ride in his mini-van.
by The Remster August 14, 2005
1 Word related to COSTCO Shirt

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×