go to (something) as (someone or something)

go to (something) as (someone or something)

To attend a party or other social gathering in costume or dressed up to resemble someone or something. I'm going to the Halloween party as Marilyn Monroe—how about you? A: "We should go to Ellen's party as fairies!" B: "Yes! I already have a pair of sparkly wings from an old Halloween costume." We're going to the costume party as Dorothy and the Tin Man from The Wizard of Oz! What about you?

See also: go, to

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