throw your weight behind (someone/something)

to use your influence to support someone or something.

A number of top performers have thrown their weight behind a live concert to fight hunger around the world.

• have someone on hand
• have someone on hands
• have someone on the run
• have someone on your hands
• have someone over a barrel
• have someone pegged
• have someone rolling in the aisles
• have someone's ear
• have someone's name on it
• have someone's name written all over it
• have someone's number
• have someone taped
• have something burning a hole in pocket
• have something burning a hole in your pocket
• have something coming out ears
• have something coming out of ears
• have something coming out of your ears
• have something coming out your ears
• have something down pat
• have something down to a fine art
• have something down to a science
• have something going for
• have something going for it
• have something going for you
• have something going with