When your cock unknowingly sneaks out the side of your boxers while your lounging around watching Netflix.

when you're hungover as shit after a spending a night drunk as a skunk

A term used to describe the act of hanging out with no real intention or conviction of doing anything substantial.
It is derived from the process of 'pickling' a vegetable which is a long but not very laborious procedure i.e. pickling cabbage to get Kimchi.

*Commonly used in parts of North Western Europe.