get (something) in one

To decipher or guess something on the first try. Good going, James! You got it in one! How are you supposed to get the right number of jellybeans in one? There's a ton of them in that jar! A: "Wait, the answer is really 10?" B: "Yeah, you got it in one!"

get something in one

understand or succeed in guessing something immediately. informal

See also: get, one, something

Farlex Partner Idioms Dictionary © Farlex 2017

See also:

(one) could use (something)
(something) pays for itself
drive (one) out of office
force (one) out of office
force out of office
give (one) (one's) head
give somebody their head
give someone his or her head
give someone his/her head, to

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