The condition of being or becoming "rundled". To have consumed a vast amount of alcohol or any other mind altering substances, excluding solvents. A condition which finds its highest purity when a group of people partake in the process, so that degrees of "rundledness" can be compared.
"Shite, I'm rundled!", "We was well rundled last night wasn't we? Did you see that well ugly bird wot I went home with? She was well rundled too."