by believe it November 27, 2007

When a man puts his testicles in someone else's anus and proceeds to masturbate. The action resembles a golf ball washer.
If you attempt a Detroit Ball Washer please remember to insert your testicles in series not in parallel.
If you attempt a Detroit Ball Washer please remember to insert your testicles in series not in parallel.
by thebeardedgreek August 06, 2017

by F-BROS October 16, 2008

by Beaglebitch May 28, 2018

by R. Pendulous November 13, 2021
