autoboggan 

A large steel corrugated sled.

An autoboggan is a sled in which is to be pulled behind a vehicle, or atv.

autoboggan by Chad Pysden February 24, 2008

Autologging 

The act of partially defecating out a hot steaming log and then bending your body like a pretzel to fellate the shit in a the sexiest autoerotic act alive

"You gonna hook up with that chick tonight?"
"Nah, I think I'd rather good home and get a good autologging session in."

Autologging by Greg and Nate January 11, 2009