Crossword Genius

Source of stimulation (not instant!) (6,4)


I believe the answer is:

coffee bean

(Another definition for coffee bean that I've seen is " Robusta, Arabica are varieties of this seed".)

I've seen this clue in The Guardian.
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.