Top definition
Covering your penis and balls with molasses then pour enough cat litter on top so that molasses isn't visible anymore, and proceed to have anal sex with your partner.
"Whoa, I'm still cleaning up after last night. Brad gave me a back alley crumbnut and I'm still finding kitty litter all over!"

by Dr. Scandalicious/Tara H. January 19, 2009
Get the mug
Get a back alley crumbnut mug for your mate G√ľnter.

Available Domains :D

  • backalleycrumbnut.men
  • backalleycrumbnut.org
  • backalleycrumbnut.net
  • backalleycrumbnut.ninja
  • backalleycrumbnut.se