thumbs-up
nounUK /ˌθʌmz ˈʌp/
US /ˌθʌmz ˈʌp/
A thumbs-up is when you point your thumb up to say yes or good job.
She gave me a thumbs-up after I finished my drawing.
OTHER MEANINGS
2. A sign of encouragement or support.
The crowd gave the young singer a big thumbs-up.
3. An informal way to say something is fine or acceptable.
My mom gave a thumbs-up to our pizza plan.
4. A quick hand signal used to show agreement without speaking.
Across the noisy room, he gave a thumbs-up to confirm the time.