A woman gives the thumbs-up sign.
When your boss gives you the go-ahead to continue working on a project, this is an example of a time when your boss gives you the thumbs-up to work on a project.
(plural thumbs up)
With reference to the signal of approval or disapproval used by spectators at a Roman amphitheatre, but sense has been reversed.
- I wasn't fooling myself; I knew darn well that by the time I got the thumbs-up sign from my doctor to exercise, I would have long forgotten how to squat and do those abdominal crunches!
- Users may have compared it to other similar scents, or they may have similar tastes to those of the recipient and give the perfume in question the thumbs-up or thumbs-down.