"Roist" Natural Recordings by Native Speakers
I couldn't find any meaning for the word "roist". It's possible that it's a misspelling or a non-standard word. Can you please provide more context or check the spelling?
To disturb or stir up a liquid or a mixture, or to confuse or upset someone's feelings.
Caused to be unstable or furious, typically as a result of disturbing emotions.
A toper ... I mean, a person who is excessively fond of feasting and drinking.