An honorific term for a nobleman or dignitary; somewhat old-fashioned but conveys respect.
殿様がお出ましになると、皆が一斉に頭を下げた。
When the lord appeared, everyone bowed at once.
Historically, a feudal lord (daimyo) of the Edo period or similar eras.
江戸時代の殿様は領地を治めていた。
Daimyo in the Edo period governed their domains.
A colloquial term for someone who is sheltered, arrogant, or pampered and ignorant of the ways of the world.
彼はいつも人に尽くしてもらって、まるで殿様みたいだ。
He's always being waited on by others — like a spoiled lord.
そんな暮らしをしていたら殿様になるよと母に笑われた。
My mother laughed and said that if I kept living like that I'd turn into a spoiled lord.