The moisture and stench build up in your pants after a long, hot car trip. (Car arse) Other examples are-Parse after a long plane trip and Larse-after extended hours on the lounge drinking beer on a hot day.
Fuck! How long have you been driving? I can smell your carse from the other side of the room
by Mitch Everson August 13, 2006
1 more definition
the small passage of skin between the cunt and the arsehole,the chinrest.
"oh,i was hovering around the carse last night mate and the filthy slag only went and dropped one,strewth mate ,i was back up before you could say,ya flamin galla...,
by bruce May 20, 2003