big-head

US /ˈbɪɡ.hed/

UK /ˈbɪɡ.hed/

1.

a conceited or arrogant person

:

•

He's such a big-head, always boasting about his achievements.

•

Don't let success turn you into a big-head.

:

conceited person arrogant person boaster egotist narcissist

:

big head-to-head head heading big toe big-boned big time