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To be, or to become crazy or stupid

be/go out of your mind

to be/become crazy or confused

lose the plot

to start behaving in a strange or silly way

take leave of your senses

to start behaving in a way that is not sensible or reasonable

go mad

to become crazy because you are so bored, upset etc

go nuts

to behave in a crazy, enthusiastic, or violent way

have a screw loose

to be slightly crazy

be going soft (in the head)

to be becoming silly or slightly crazy

need your head examined

to seem to be crazy or to be doing stupid things

be/go round the bend

to become crazy

be off your head

to be crazy

Word of the Day

stargazer

someone who studies the stars

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