go to head
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go to someone's head
1. Fig. [for something, such as fame or success] to make someone conceited. Don't let all this praise go to your head. Too much success will go to her head.
2. Fig. [for alcohol] to affect someone's brain. That last glass of champagne went right to her head. Any kind of liquor goes to my head.
go to your head
to make you believe that you are more important than you really are You won the poetry prize, but you won't let it go to your head, will you?
go to somebody's head
1. if an alcoholic drink goes to someone's head, it makes them feel drunk very quickly That glass of wine I had before supper went straight to my head.
2. if success goes to someone's head, it makes them believe they are more important than they are Just because you won the poetry prize, you won't let it go to your head now, will you?