Crossword Genius

After extra time upset, wins cup after cup from them? (3,4)

Ross

I believe the answer is:

tea bags

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

(Other definitions for tea bags that I've seen before include "They hold leaves for infusions" , "those in hot water?" .)

I've seen this clue in The Independent.
Want a hint initially instead of a full solution? Install my app