(slang) going to or being graduated from the same middle school (中学校)

円柱: cylinder; column

爬虫: reptile

in the middle of a conversation; on the other line of the phone

beforehand, in advance

preceding / prior / previous / anticipatory / beforehand / advance / preliminary / provisional / reservation / plan / expectation / forecast / prediction / budget / foreshadowing

first-person personal pronoun; I, me

受ける, 請ける: get an order, to suffer a malady, take a test, receive a letter.

受け, 請け: / 受け: (fandom slang) bottom (originally referring to male gay ships); uke

a device placed in a river used to capture fish