Having length, but no width, height or depth. / (figuratively) Lacking depth or believability; flat. / (figuratively) Lacking personal depth and substance; conceited, vain, shallow, superficial.

(transitive) To think carefully about (something), and give it due consideration. / (transitive, computing) To access details of (a data type, etc.) at run-time using reflection.

(simile, colloquial, chiefly US) Jumpy, nervous.

(intransitive, knitting) To start the first row of knitting by putting stitches on a needle.

(idiomatic, humorous, informal) Synonym of get one's knickers in a twist

A performing animal (especially a pony) that knows only one trick. / (idiomatic, by extension) A person or group noteworthy for only a single achievement, skill, or characteristic.

Alternative spelling of come-on

(transitive) To encounter, discover; to come upon. / (intransitive) To appear on a stage or in a performance.

Come along with me; join me in going. / An expression of encouragement. / An expression of disbelief. / An expression of frustration, exasperation, or impatience; hurry up.

(idiomatic) To annoy or irritate someone; to bother someone.