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1.
A small, metaphysical attack on one's happiness; usually passed from one person to another in the form of an insult or physical abuse.
Enrico called my shirt ugly, I really don't need his negatons today.
by thereal911 April 13, 2009
 
2.
n. A negative person, a stick in the mud.
Listen Charlie quit being such a negaton.
by Pointsource1 May 21, 2009