When you bust a nut in an ice cream cone and make someone eat it.
She asked for ice cream,
I gave her a nutcone
by SinPie July 12, 2017
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(n & adj) usu. used with a number indicating an increasing scale of aggression or pent-up wrath defined along the lines of the US Defence Condition ("DEFCON") scale.

Adaption of DEFCON
"Stay out of Sgt. Smith's way: She's NUTCON 5!"
by Spootonium October 12, 2004
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