a personal or private matter / (by extension) selfishness

personal, private / secret

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law

private; mine

(formal) first-person singular pronoun: I, me

plastic bottle

absorbent sheet for pets (sheet used as a surrogate toilet)

plastic bottle

(Internet) sock puppet

(vulgar, taboo slang) cunt (vagina) / (vulgar, taboo slang) sexual intercourse