Crossword Genius

Being a grandmaster, he's conceited (7)

Ross

I believe the answer is:

bighead

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

But I can't explain it at all! Could you help me understand?

(Other definitions for bighead that I've seen before include "Arrogant person" , "Conceited person (informal)" , "Conceited person with outsize cranium" , "Braggart" , "Conceited person (usually male)" .)

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.