This is a sound made right before you give someone a hi-five after they have made a bad joke or an awkward comment.
by u-e March 27, 2005
 Get the woomug.
Get the woomug. Woo, we are going to the beach!
by oskarv September 20, 2007
 Get the [Woo]mug.
Get the [Woo]mug. by Alaina vanderpaardt March 27, 2008
 Get the WOO!mug.
Get the WOO!mug. by J January 12, 2004
 Get the woomug.
Get the woomug. by Pain wun January 13, 2003
 Get the woo woomug.
Get the woo woomug. It is a word said after you say something very sarcastic. It basically means whatever was said in the previous sentence means the opposite.
by anonymous102823829 November 8, 2018
 Get the woomug.
Get the woomug. by woosword April 25, 2009
 Get the woosmug.
Get the woosmug.