What does uggy mean as a verb?

"Uggy" is not a recognized verb in standard English. It's possible that you've heard it used in a specific context or slang, but it's not a common or widely understood word.

To help me understand what you're asking, could you provide more context?

* Where did you hear this word used? (e.g., in a movie, a song, a conversation)

* What was the sentence or phrase it was used in?

* What did you think it meant?

With more information, I might be able to figure out what you're looking for.