(literally) throw up everywhere / (figuratively) spout, spew (complaints, bad language, etc.)

(idiomatic) to complain; to whine

to tell a lie

(idiomatic) to utter harsh words; to use abusive language

"to spit poison": to say something meanspirited

everything

(colloquial) current boyfriend

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

everyone, one and all

The hiragana syllable ぼ (bo). Its equivalent in katakana is ボ (bo).