(colloquial) To visit informally and spontaneously.

(computer science) The byte of a multibyte number with the least importance: that is, the byte stored last on a big-endian system or first on a little-endian system.

a road or track not following a main route; a minor road or path. / a road that is not frequently travelled. / (by extension) a little-known or arcane field of study or detail.

(idiomatic) In a manner which adheres strictly to rules, legal requirements, or official procedures.

(UK, obsolete, dialect, idiomatic) tipsy

Emphatically yes; certainly; definitely. / Used other than figuratively or idiomatically: see by, all, means.

(idiomatic) certainly not; definitely not; not by any means.

Used to express determination or surprise.

A surname from Old English. / Lord Byron, George Gordon (Noel) Byron, 6th Baron Byron (January 22, 1788–April 19, 1824), a famous English poet and leading figure in romanticism.

(conjunctive, idiomatic) Incidentally; used in referencing a parenthetical statement not timely, central, or crucial to the topic at hand; foregone, passed by, something that has already happened.