Tra từ nuts - Từ điển Oxford Advanced Learner 8th

nuts [nuts] BrE [nʌts] NAmE [nʌts] adjective not before noun (informal)
1. crazy
•My friends think I'm nuts for saying yes.
•That phone ringing all the time is driving me nuts!
2. ~ about sb/sth very much in love with sb; very enthusiastic about sth
•He's absolutely nuts about her.
see from soup to nuts at ↑soup _n.

Synonyms:
mad
crazy • nuts • batty • out of your mind • (not) in your right mind
These are all informal words that describe sb who has a mind that does not work normally.
mad • (informal, especially BrE) having a mind that does not work normally: ▪ I thought I'd go mad if I stayed any longer.
Mad is an informal word used to suggest that sb's behaviour is very strange, often because of extreme emotional pressure. It is offensive if used to describe sb suffering from a real mental illness; use mentally ill instead. Mad is not usually used in this meaning in North American English; use crazy instead.
crazy • (informal, especially NAmE) having a mind that does not work normally: ▪ A crazy old woman rented the upstairs room.
Like mad, crazy is offensive if used to describe sb suffering from a real mental illness.
nuts • [not before noun] (informal) mad: ▪ That noise is driving me nuts! ◇ ▪ You guys are nuts!
batty • (informal, especially BrE) slightly mad, in a harmless way: ▪ Her mum's completely batty.
out of your mind • (informal) unable to think or behave normally, especially because of extreme shock or anxiety: ▪ She was out of her mind with grief.
(not) in your right mind • (informal) (not) mentally normal: ▪ No one in their right mind ▪ would choose to work there.
to be mad/crazy/nuts/out of your mind/not in your right mind to do sth
to go mad/crazy/nuts/batty
to drive sb mad/crazy/nuts/batty/out of their mind
completely mad/crazy/nuts/batty/out of your mind

Example Bank:
•You guys are nuts!
•You must think I'm nuts to be dressed up like this.