swell-head—(coll.)
1. self-conceit:
- Lord, but young Gourlay was the fine fellow! Symptoms of swell-head set in with alarming rapidity.
2. a conceited person:
- As for the present directory, they’re all a pack of damned swell-heads.
thick-head—(coll.) smb. who is dull of intellect:
- I wasn’t very good at school and left supremely unqualified for anything and totally convinced I was a thickhead.