Leaving your family at home and disappearing on an "adventure" for a month long journey of masturbation and self discovery (mostly discovering yourself masturbating).
A term often used by "Plastic Vanlifers" to give the impression they're exploring unchartered territory whilst seeking out the same tourist spots as everyone else on the way to their final destination... the same holiday park they've stayed at for the last 3 years.
I'm heading off on a coddiwomple. I've got plenty of lube so don't worry.