An urban legend about a one armed man that roams the woods at night giving unsuspecting victims one armed handjobs. Known mainly in the upper peninsula of Michigan, more specifically in the keewenaw peninsula in the county of Baraga (named after William Baraga aka one armed willy).
by Onearmedwilly September 15, 2015
Get the One armed willymug. The man/female covers their arm with lube the receiving partner gets in doggy style position and spreads their asscheeks the lubded one punches their anus and in one motion shoved their entire arm into the receivers anus
by dookie69999 April 11, 2014
Get the one-arm willymug. by Frannie&edgar March 16, 2014
Get the one arm williemug.