Flatten out - Idioms by The Free Dictionary
https://idioms.thefreedictionary.com/flatten+out
To become flat. To cause someone or something to become flat. (idiomatic, of a hierarchy or inequal distribution) To become more even. (slang) To win a fight, usually by punching someone until they are knocked over.
To become flat.
To cause someone or something to become flat.
(idiomatic, of a hierarchy or inequal distribution) To become more even.
(slang) To win a fight, usually by punching someone until they are knocked over.
DA: 41 PA: 4 MOZ Rank: 8 Up or Down: Up