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1.
A mental state of mind where you become too able to switch from a positive mood to a negative mood that you realize not to think positive or negitive so you are thinking goonitive.

People who are goonitive understand life so much that it's hard for them to decide what they want from it.
Dave: Yo I couldn't decide on what to with this wallet i found on the ground.

Johnny: What do you mean?

Dave: Well, I mean I can contact the owner of the wallet and give it back (positive) or keep it for my own good. (negative)

Johnny: Sounds like your goonitive again.
by Goondued November 04, 2011