(2channel slang) deletion; (by extension) disappearance, death, etc.

submission to a newspaper or magazine / contribution, post on the internet

to submit to a newspaper or magazine / to make a post, to post something online

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

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

麻婆豆腐: mapo doufu - a hot chilli cuisine from Szechuan.

The long-vowel mark, which marks a long vowel in katakana (and less commonly in hiragana) when placed after a syllable.

no

(Okinawa) very, terribly