Top Definition
Smart and dumb at the same time
"Jesse is so smumb - she just got her master's degree, but has the common sense of a 10 year old kid
by mastertrainer1978 May 26, 2010

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.

×