bighead

plural bigheads · alternative big head

1. colloquialcountableespeciallyA person with an inflated opinion of themselves; a conceited or arrogant person.

   I'm not such a bighead that I think I can do better than Hugh and Hereman at reclaiming the main island.

   2011, Linda Hutton, The Wild Thyme Unseen, page 218

   2 more examples

   He is such a bighead and so lazy that I don't know how far he will go. He can read and write English a little bit and he thinks that is enough for him to know.

   1997, Virginia Watson, Anyan's Story: A New Guinea Woman in Two Worlds, page 174

   'But there are too many egos, way too many. I mean bigheads who are sidetracked by stuff away from football.'

   2010, Jonathan Wilson, Anatomy of England: A History in Ten Matches

2. colloquialcountableAny of several species of fish having a large head.
3. colloquialuncountableAny of several animal diseases that cause swelling of the head.