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1.
things that are fun but completely unnecessary.
oh man bro, i got homework but instead i watched season 1 of Dexter. it was completely funnecessary.
by funkifine October 26, 2010
 
2.
something completely useless and/or impractical that provides immense amounts of happiness and amusement despite its lack of purpose
Even though I new the glow-in-the-dark toaster wasn't what he wanted for Christmas, it was just too funnecessary for me to resist buying him.
by Zacharaius R. McGuggenheimis February 19, 2009