1. Verb - to make somebody feel good by clickingthe thumb up icon on urbandictionary.com next to a word they have placed there.
2. Noun - a physical inication from another human that something useful and worthwhile has been achieved
Synonyms for thumb up
On this page, you will find 30 slang terms related to thumb up. Some of the top words include: Pure, crizzle tizzle, Embiggen, terd, chilk, and 25 more.