Crawling back

To admit to someone you were wrong and apologize and blah blah.. basically kiss their ass until they forgive you.

"My ex tried to come crawling back to me last night... whatever!"

Crawling back by nooneactuallycares June 6, 2018

you felt ___ crawling down your back 

A line of flavor text when fighting Sans that might pop up, the protagonist is described as 'feeling their sins crawling down their back'.

Other words can be transplanted into it.
Undertale

You felt your sins crawling down your back (Original)
You felt a girl crawling down your back
you felt ___ crawling down your back

you felt ___ crawling down your back by Shalax August 24, 2016