What is the meaning of Nuts?

plural of nut

The scrotum.

An unbeatable hand; the best poker hand available.

Insane, mad.

Crazy, mad; unusually pleased or, alternatively, angered.

Very fond of (on) someone.

Indicates annoyance, anger, or disappointment.

Signifies rejection of a proposal or idea, as in forget it, no way, or nothing doing; often followed by to.

third-person singular simple present indicative of nut

Source: wiktionary.org