Short for ボール紙 (bōru-gami): non-corrugated cardboard, pasteboard / Short for 段ボール (danbōru): corrugated cardboard

disco ball, mirrorball

ball person

Synonym of 球技 (kyūgi, “ball game”)

(baseball, softball) Synonym of 四球 (shikyū, “walk”)

(basketball) three-point shot

(finance) exceeding a benchmark price, exceeding a valuation estimate, overshooting the mark / a sudden increase, an eruption

(colloquial) current boyfriend

everything

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