look up any word, like ratchet:
 
1.
A thing that is not required yet is purchased in great amounts anyways.
ie. a novelty
by Materialistric Oppressor September 15, 2003
 
2.
\"you need a thneed\" is simply a marketing statement by the character in the book. A thneed is not REALLY needed, but is nonetheless purchased in great quantities and manufactured in great quantities to the detriment of the environment.
by glenn4s September 25, 2003
 
3.
A Snuggie or otherwise utterly useless piece of consumer garbage.
Everyone needs a thneed
by Peter Benichie April 07, 2010
 
4.
An item, according to Dr Suess, which is most definately required.
You need a thneed.
by Raphael January 15, 2003