1 definition by Zero951

(märk`bär)n.
a break-through scientific event of granola bars discovered by Mark Twain Henley the third, during the 1990's. The MarkBar™ is a granola bar composed of raw element which can cause adrenaline and increase of testosterone within a matter of minutes. Many people in language arts classes search for these bars to increase their energy. But they are only for emergency purposes.;
slang. something that gives you energy.
bob--"dude, i need a MarkBar™."

Jim--"yeah me too."
by Zero951 April 06, 2009

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.

×