Top Definition
A downer, unfavorable situation, a nuisance: Something that would harsh one's mellow.
That Theresa is a real bummercloud, man. Ever since I got her pregnant she has has been raining the bummer
by Dr_tesseract February 25, 2010
1 more definition
-Verb- as in to bummercloud, to hurt someone deeply and joke about.
I sure did bummercloud that Melissa girl, hah!
by HRH114 March 02, 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.