(idiomatic) Not caring at all, being no skin off one's nose, being of no concern at all.

a vehicle decorated with images of fictional anime, manga, or game characters

(kyabakura industry) horrid client

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

(phonetics) in Sanskrit phonology, consonants made with the throat; the dorsal (/k, g, ŋ/) consonants

(traditional Chinese phonology) a guttural onset consonant, any of the group of consonants represented by the Middle Chinese pronunciation the following (母 (literally “mother”) means "base sound"; the character before it is the one that bears the onset consonant): 影母 (/ʔ/), 曉母 (/x/), 匣母 (/ɦ/) and 喻母 (/j/)

having a comeback or excuse for everything one is told, being smart in the sense of having a smart mouth