To put off something until later because something better has come along and stolen your interest

1) Custom of placing pots not requiring immediate attention toward the rear of the stove 2) A condition of low priority or temporary deferment 3) Where one resides when they are hearing bs in hopes of maintaining the status quo of a "relationship" that serves to keep the fires lit for the IO part of the equation

When something is put aside for more important things.

Postponed or deferred, as in a low-priority task.

the back pocket in a pair of Jeans/Trousers where one might keep a wallet

1. a place where you put things you don't have time/money for or have otherwise abandoned.
origin: an urban fire escape where you go and get a sunburn on your back.

While having sex, flip the girl over, defecate on her back, and give her an Indian rug burn for good measure.