If you take care of little things one at a time, they can add up to big things.

(Britain, idiomatic) Superficial, engaging in empty, boastful talk, but not of real substance.

Alternative spelling of down and out

(idiomatic) Very attentive.

(informal) simple and obvious; easily decided

To leave abruptly.

(idiomatic) Done or constructed in a hasty, approximate, temporarily adequate manner, but not exact, fully formed, or reliable for a long period of time.

A down-and-outer.

(idiomatic) Someone who is down and out.

(of someone lying down, asleep or attempting to sleep) to be constantly moving, unable to lie still