Revels in use Oscar made of this (8)

I believe the answer is:

carouses

I'm a little stuck... Click here to teach me more about this clue!

'revels' is the definition.
(I know this)

I don't understand how the rest of the clue works.

(Other definitions for carouses that I've seen before include "Engages in boisterous, drunken merrymaking" , "as eight [REVELLER] does" .)

I've seen this clue in The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.