1 definition by Lock-Mart

Top Definition
The extra hours (beyond a 40 hour week) employees have to work before being compensated by OVERtime. Any unpaid hours worked by the employee that are donated to the company without pay.
Mikey is a slacker this week... he's only put in 4 hours of undertime.
by Lock-Mart February 21, 2006

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.