back (someone) for (something)

(redirected from back us for)

back (someone) for (something)

To support someone in some pursuit, often election to an office. I'm backing Caroline for student council president—here, have a button!
See also: back

back someone for something

to support or endorse someone for something, such as a public office. We all back Tom for president. I am backing Jane for treasurer.
See also: back