Thumbs is the plural form of thumb, referring to the short, thick first digit of the human hand.
In modern usage, thumbs commonly refers to:
1. The thumbs-up 👍 and thumbs-down 👎 gestures
2. Thumbs as a verb meaning to browse or scroll through content quickly (e.g., "thumbing through a magazine")
3. In gaming, referring to the use of thumbs for controller operation
4. Slang for approval or agreement ("give it the thumbs")