In and out

(Naut.)

through and through; - said of a through bolt in a ship's side.

in and out

1. Thoroughly; down to the last detail. I've been studying this material for weeks now, so I know it in and out.2. Alternating between being at or in a location and being gone from it. The boss has been in and out of the office all day.See also: and, out

ˌin and ˈout (of something)

going regularly to a place: I’ve been in and out of the travel agency all this week, trying to arrange my holiday. ♢ After the accident, he was in and out of hospital for a couple of years.See also: and, out

In and Out

1. Describing a situation in which one opens and closes a position on a security very quickly.

2. A clean trade on the over-the-counter market.

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