do (double) duty as (something)(redirected from done duty as)
do (double) duty as (something)
1. To do two things simultaneously. It's sometimes tough to do double duty as an accountant and mom, but we really needed a second income.
2. To be able to serve two functions. Don't worry, this space can do double duty as a guest room and an office.
See also: duty
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.