simple past tense and past participle of button up

Alternative form of buttoned-up

(idiomatic) Alternative form of button-down

Conservative. / Carefully planned and executed.

(informal) The navel.

Alternative spelling of belly button

Alternative form of hot button

Arousing intense reactions; eliciting strong emotion or controversy.

A central issue, concern or characteristic, especially one that motivates people to make a choice. / (marketing) The principal desire that a salesman needs to "hit" in order to make a sale.

Alternative form of hot-button