Backslide

[Sarah]

To slide back; to fall away; esp. to abandon gradually thefaith and practice of a religion that has been professed.

[Sarah]

verb: to have [sex] with someone you were previously dating or [hooking up] with. Specifically after a falling out or bad breakup and tends to make things more complicated.

[Sarah]

What the Moonwalk used to be called, the backslide has its' roots in mime.

[Sarah]

To spread [crack] for a [tap] from some [johnson] you've dumped, usually inducing a [shame spiral]. Note: only women and gay men can backslide, since straight men will screw anything, anytime, without remorse.

[Sarah]

When one goes back to their Exs.

[Mark Zuckerberg]

to go back to doing something bad when you have been doing something good, especially to stop working hard or to fail to do something that you had agreed to do:

[Vania]

Relapse into bad ways or error.