Doing double duty as - Idioms by The Free Dictionary
do (double) duty as (something) (redirected from doing double 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.
References in periodicals archive
Concrete benches and bent steel posts are scattered across the piazza, doing double duty as
seating and security barriers.
(ENI)--England's historic parish churches will soon be doing double duty as
hosts for telecom antennae as phone companies set up third-generation mobile phone networks which allow for Internet access.