To take up more than one parking space by deliberately or half-assedly parking over one or more parking spot dividing lines.
Often done by swaggering rednecks and narcissistic soccer moms in oversized trucks, and by post-middle-age Hair Club for Men micropenis douchebags in expensive sports cars.
Well, I guess I've gotta park way the fuck out in the nosebleed spaces, because this asshole here's enjoying some damn fine cuntparking in these spaces closest to the store.