notadictionary.com
駅の改札でジジイ同士が別れ際に「オイ！今度会うまで〇ぬなよ！」
→ “"Hey! Don't die until we meet next time!" (Said by an old man to another old man while saying goodbye at the train station ticket gate)”
駅 eki = station (noun)
の no = of / 's (possessive particle)
改札 kaisatsu = ticket gate (noun)
改 kai = change / alter
札 atsu = ticket / label
で de = at / in (location marker particle)
ジジイ jijii = old man / geezer (slang noun)
同士 dō¹shi = each other / one's own kind (noun phrase)
同 dō¹ = same / similar
士 shi = person / samurai
が ga = subject marker particle (focuses on the subject)
別れ際 wakaregiwa = moment of parting / farewell (noun phrase)
別 wake = separate / part
れ re = stem of verb 'to separate'
際 giwa = occasion / moment / edge
に ni = at / when (time/location marker particle)
「 = opening quotation mark
オイ！ oi! = hey! / oi! (interjection used to get attention, often rude)
今度 kondo = next time / this time (adverb/noun)
今 ima = now / present
度 do = degree / time / occasion
会う au = to meet (verb)
会 ae = assemble / meet
う u = vowel ending indicating dictionary form
まで made = until (particle indicating limit of time/space)
〇 = censorship circle (used here to imply death/violence without explicit text)
ぬ nu = die (colloquial/rough form of 'nuku' or 'inu'), part of censored word
な na = negative imperative ending ('don't do it')
よ！ yo! = emphatic sentence ending particle (adds emphasis/urgency)
」 = closing quotation mark
