Adj. Type of information carried around inside a man's head that he thinks is a mark of intelligence when in fact it is idiotic trivia. Ironically, in many cases everyone already knows the fact, or it is wrong.
Sally: Do you like my tan this summer?
Tim: Sure. Did you know that the mask in the movie "Halloween" was a Captain Kirk mask painted white?
Sally: Yes dear. Everyone knows that.
Tim: Well, did you know that the red dot on the 7-Up can represents the inventor's eye? He was an albino.
Sally: You are an idiot. Stop using such uselessful information.
Tim: Sure. Did you know that the mask in the movie "Halloween" was a Captain Kirk mask painted white?
Sally: Yes dear. Everyone knows that.
Tim: Well, did you know that the red dot on the 7-Up can represents the inventor's eye? He was an albino.
Sally: You are an idiot. Stop using such uselessful information.
by oso31 March 16, 2009
Get the Uselessfulmug. by TA is retarded June 1, 2009
Get the uselessmug. Crane flies, also known as mosquito eaters or mosquito hawks. They are useless and don't even eat mosquitos.
Do you see that crane fly over there? "We should kill it" Crane flies are useless and don't even consume mosquito eaters.
by Hecketh March 24, 2019
Get the uselessmug. by Websterman August 5, 2012
Get the uselessmug. by jibjab711 May 12, 2014
Get the uselessmug. by krakatau_2339 March 28, 2017
Get the uselessfulmug.