throw one's weight behind

throw one's weight behind (third-person singular simple present throws one's weight behind, present participle throwing one's weight behind, simple past threw one's weight behind, past participle thrown one's weight behind)

1. (transitive, idiomatic) To support (a cause, a decision, etc.) using one's influence; to endorse.
   • 2015, Rev. Stephen Jumaat Abdul-Razaq, Islam: The Armageddon Bomb:

     They know which candidate to throw their weight behind, even on foreign soil, and they are very good in using their mosque pulpits as campaign mouthpieces