sick to the back teeth

all the way to Egery and back

The long way; a roundabout route; a long distance to travel.

arm to the teeth

To equip thoroughly with weapons.

back down

To take a less aggressive position in a conflict than one previously had, or has planned to have.

back forty

The most remote or inaccessible part of any place.

back gammon player

A person, chiefly a homosexual, who has anal sex.

back in the game

Having recovered from a disadvantageous position.

back into

To advance to the post-season as a result of another team's loss, especially where one's own team has also lost.

back of one's hand

A display of disrespect or scorn.