Being "well up in" something means to be highly knowledgeable or well-versed in a particular subject or field. It implies having a deep understanding and extensive knowledge about the topic at hand.
- For You
- Trending
- New
- Likes
- Create
- Trending
- trial
- columniation
- pelagic
- happpy
- biden
- Try
- Fast Emote FE
- Fast Slang FS