Alternative form of tick all the boxes

A type of check valve using a disc on a hinge for its function.

The time of day by which one must check out of a hotel, campground, hospital, parking garage, etc. / The amount of time it takes to check out. / The time when one checks out (any sense).

plural of swing check valve

A checked pattern resembling the glen plaid, popular for overcoats and sporting coats in the 1950s.

plural of check-out time

(Internet slang, sometimes derogatory) Synonym of blue check.

Alternative form of last time I checked

plural of blue check mark

(as imperative, with to-infinitive) Used to urge someone to examine their own speech and actions for bias or presumption due to social privilege and to curb or check any such bias or presumption.