A term used to call someone something bad without actually even calling them something bad. Basically, call them it, because it means nothing. Nothing at all. Use it whenever you feel like it. Just credit this site.
Aw man! You're such a patcher!
Drinking excessive amount of alcohol, then talking on the cell phone while proceeding to piss in inappropriate places.
My roommate got so drunk last night. He pulled a major patcher all over the lounge.