Uselessful 

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.

Uselessful by oso31 March 16, 2009

uselessful 

really really useless

he can't even help us, what an uselessful person!

uselessful by krakatau_2339 March 28, 2017

uselessology 

The knoledge of useless information. use-less-ologee - used when you're on a date, think you're cool or just want to get on someones nerves.

Matt: Hey tim. you know, in uselessology, that a caravan usually sleeps two people only?
Tim: Did you know I dont care?

uselessology by Jack1592 July 23, 2007

Unsexessful 

Failed attempt of pulling on a night out.

Last night was very unsexessful!

Unsexessful by Mr Barry Turnbottom February 15, 2013

uselessrubbish 

Useless junk that has no use by itself but can develop a use if combined with more useless junk.

Beware the useless junk could kill U!?!

uselessrubbish by Sabian June 2, 2004