have a big head

have a big head

To be conceited, arrogant, or self-aggrandizing. Cheryl has such a big head on her, all she ever talks about is herself. Janice has had a bit of a big head ever since she got that promotion.
See also: big, have, head

big head, have a

Be conceited; have an exaggerated sense of one's own importance or ability. For example, The constant flattery of his subordinates is bound to give Thomas a big head. [c. 1800] Also see swelled head.
See also: big, have

have a (big) head

tv. to have a hangover. (Have got can replace have.) Oh, man, do I have a head!
See also: big, have, head