Top Definition
A phrase used to describe the person that is responsible for doing something incorrect. As in the user of the device or object that is not functioning or working correct do to user error.
Store Clerk: I can't get the register to process your refund.
Customer: Must be the "User Valve!"
by SuperMikeD February 03, 2010
Free Daily Email

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

Emails are sent from We'll never spam you.