"swollen head" is a correct and usable phrase in written English.
It is commonly used to describe someone who is overconfident or arrogant. Example: After winning the award, his swollen head was evident as he boasted about his success to anyone who would listen.
But I don't think it's changed me, I don't have a swollen head.
All of that could be enough to give even the most grounded individual a bit of a swollen head.
It would be understandable if Houston midfielder Stuart Holden had a bit of a swollen head these days.
Mr. Richards also mocks Mr. Jagger (whom he jokingly began referring to as "Brenda" or "Her Majesty") as a social climber and swollen head, and says that Mr. Jagger "started second-guessing his own talent" and chasing after musical trends.
In East Africa an unusual form of spear-thrower consisted of a shaft of wood with a hollowed-out, swollen head into which the butt of the spear was placed.
— In bear country, you listen for a crunch of twigs under a sharpened paw the size of a catcher's mitt, and imagine that behind every tree lurks the swollen head and tiny eyes of the grizzly with the apt Latin name — ursus arctos horribilis.
It was not a sudden outbreak of swollen heads or back acne that ignited the era of speculation about steroids in baseball.
They have been square and crinkled and monster-shaped, not to mention those weird crisps that looked like little men with swollen heads.
It used to be that parents didn't want their children to get swollen heads (when's the last time you heard that expression?) or, for more superstitious reasons, feared that praise would bring on the wrath of the gods, or at least bad luck.
Some with swollen heads even sauntered onto a baby grand piano.
"We are not scared," said one lawyer, Malik Mohammad Arshad, whose eye was swollen and head was bleeding after a brick hit him on the head, Reuters reported.
