give (something) the thumbs up

to show that you like or approve of something or that you are happy for something to happen.

We all gave Mary's cake the thumbs up.

A new injectable treatment has been given the thumbs up by the authority.

• put the ball in court
• put the ball in someone's court
• put the bite on
• put the bite on someone
• put the boot in
• put the brakes on
• put the brakes on someone
• put the brakes on something
• put the cart before the horse
• put the cat among the pigeons
• put the clock back
• put the fear of God into
• put the fear of God into someone
• put the finger on
• put the finger on someone
• Put the flags out!
• put the genie back in the bottle
• put the heat on
• put the heat on someone
• put their heads together
• put the kibosh on
• put the kibosh on something
• put the knife in
• put the lid on
• put the lid on something