A small, jelly creature that is rubbed to produce fleeb juice, which is an essential ingredient in plumbuses, gropples, and many other household items.
by bluekid3 May 24, 2017
 Get the Fleebmug.
Get the Fleebmug. a word that didn't quite make it as a synonym for tool or douche bag mainly for the fact that the people who say it are tools themselves.
by lawlwotevr January 4, 2009
 Get the Fleebmug.
Get the Fleebmug. by micklickthisdick April 23, 2019
 Get the Fleebmug.
Get the Fleebmug. In the Lego community, a space creature that chews through metal, etc. Resembles a scorpion with a shallow dome on it's back.
by Shadowviking January 2, 2009
 Get the Fleebmug.
Get the Fleebmug. A person who goes out of their way to cause trouble, generally in the form of spam.
Fleeb usually travel in packs and are thought to be bottom-feeders.
Fleeb usually travel in packs and are thought to be bottom-feeders.
by NotFleebian October 16, 2016
 Get the Fleebmug.
Get the Fleebmug. by Dolus January 5, 2012
 Get the Fleebmug.
Get the Fleebmug.  Get the Fleebmug.
Get the Fleebmug.