mail (something) in

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mail (something) in

1. Literally, to send something somewhere or to someone by mail. I mailed in the application months ago, but I still haven't heard from the university!
2. To perform a given task, duty, or activity with little or no attention, effort, or interest; to do something perfunctorily. Usually such a key player on the field, the team's star running back seems to be mailing it in this afternoon. I usually love his work in film, but he totally mailed in his performance for this voice-over role.
See also: mail
References in periodicals archive ?
The people who mail in their ballots right away do not have all the information that people at the voting booths have later.
One of the 3,000 entries submitted through promotions, mail ins and e-mails will win the yellow IC Light bug's one year lease from Pittsburgh Brewing and Rohrich Volkswagen.