Big Mac

love (in both senses of loving a friend or family member and a partner romantically) / very (most) favorite

Mac: a Mac (Macintosh computer)

Synonym of マクドナルド (MakuDonarudo, “McDonald's”)

big (large or extensive) / remarkable, striking

big data

(chiefly women's speech) first person singular pronoun: I, me

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

a personal or private matter / (by extension) selfishness

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