(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).

alienation

to alienate

uncle, middle-aged man

man; Mister, Uncle (used vocatively)

passive of 呼ぶ (yobu) [godan]

to be treated to (a meal)

to call; to call out / to call, to apply a name to someone / to send for someone, to call for someone, to get someone / to call something by a name; to designate / to invite

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend