The act to have buttsex, to help them relieve themselves of constipation. (Bear eat plenty of nuts and plants too back themselves up so they don't poop during hibernation)
Tim: "I don't know where all those numbers (On the phone bill) came from, I know I was the only one ion the house at the time, but I didn't ring anyone"
Woz: "Have you been ringing sex lines in the day... you Grizzleneck!