Top definition
1. To be exactly correct.
2. Something to turn out exactly as expected.
The theoretical model is nuts on with the actual measured data.
by mechwatch August 21, 2006
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2
A funny looking person, typically called a dough head or ding a ling.
Man, look at that girl over there. She's surely a Nut Son.
by stan22224 August 25, 2009
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