B

[B.Y.O.B.] (Abbreviation)  {informal}

Bring Your Own Bottle. Frequently written on invitations for the kind of party where people bring their own liquor.

[by oneself]  {adv. phr.}

1. Without any others around; separate from others; alone.

The house stood by itself on a hill.

Tom liked to go walking by himself.

Betty felt very sad and lonely by herself.

2. Without the help of anyone else;  […]

[by one's own bootstraps]

See: [PULL ONE SELF UP BY THE BOOTSTRAPS].

[by storm]

See: [TAKE BY STORM].

[by surprise]

See: [TAKE BY SURPRISE].

[by the board]

See: [GO BY THE BOARD] also [PASS BY THE BOARD].

[by the bootstraps]

See: [PULL ONESELF UP BY THE BOOTSTRAPS].

[by the bye]

See: [BY THE WAY].

[by the dozen] or [by the hundred] or [by the thousand]  {adv. phr.}

Very many at one time; in great numbers.

Tommy ate cookies by the down.

Often used in the plural, meaning even larger numbers.

* /The ants arrived at the picnic by the  […]

[by the horns]

See: [TAKE THE BULL BY THE HORNS].