plural of top-to-bottom

(dated) Small rolls of dough, baked, cut in half, and browned in an oven, formerly used as food for infants.

A piece of graffiti covering the whole height of a railway carriage.

(adjectival) In an exhaustive and pervasive manner. / (adverbial) In the manner of conducting a remedy, search, or investigation (etc.) that is thorough and complete.