(offensive, Internet slang) Alternative form of 子供部屋おじさん

(offensive, Internet slang) a man whose age is greater than about thirty or forty who lives in one's child room and with one's parent(s).

single room

fifty-fifty

pot calling the kettle black; six of one, half a dozen of the other

a bird in the hand is worth two in the bush

two-story / two-storied

you, thou / this, that / only

two persons / a couple, pair / (poetic) the two of us, we two

five hundred, many