What is Dirtpipe Boomerang?
1.
When two people push their assholes together and alternately shit into the others asshole, hence boomerang.
Invented by Bill Cosby in 1956.
See also
Kevin:"What are you watching?"
Bill:"Two black trannys doing a dirtpipe boomerang."
Kevin:"Pass the KY jelly"
See
Random Words:
1.
This could commonly happen to anyone at any restroom. Normally your just trying to take care of some business but someone either standin..