back-to-back

Sequential or consecutive.

Ruth and Gehrig hit back-to-back home runs.

They sat through two back-to-back movies.

With one's back facing that of somebody else.

Emerging in exactly opposite directions.

Seen in laboratory frame the photon-jet pair is not any longer back-to-back and the energy balance is distorted.

This produces two back-to-back jets of hadrons that dominate the inclusive high energy cross-section.

Having a party wall at the rear.

We lived in a row of back-to-back houses.

Synonym of wired (“being a pair in seven card stud with one face up and one face down”).

Alternative form of back to back.

A ScotRail Driver: [...] A good friend of mine overshot two stations back-to-back a couple of years ago. He tried to stop at one station and slid by it. Tried to stop at the next station. He slid by that, too.

A house with a party wall at the rear.

One of a pair of rig workers who are rostered on alternately.

"He's been standing-by in town for the last week, talk to his back-to-back on the rig in the morning." ("Back-to-back" is the man on the rig who does your job when you're not there.