Top Definition
The idiot who is always voting thumbs down on other Urban Dictionary entries specially ones by Werebelushi.
"3 Thumbs down? What kind of idiot would do that?"
"A Thumbs Downer."
by MM132 January 25, 2013

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.