1 definition by Kelsmaster Flex

a state of mind that is achieved once one has taken in a large amount of THC, the main ingredient in marijuana. The looney bin can be reached when a person feels "retarded" and unable to function normally.
Five bong tokes later and I was in the looney bin.
by Kelsmaster Flex June 17, 2008

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.

×