put (one's) weight behind

put (one's) weight behind

To wield one's influence or power to support or promote something. The small-town candidate is hoping the state senator puts his weight behind her in the race. If we can get a corporation to put its weight behind our charity campaign, we can raise even more money.

See also: behind, put, weight

put/throw your weight behind something

use all your influence and power to support something: Several of the country’s leading politicians have thrown their weight behind the campaign.

See also: behind, put, something, throw, weight