1. An act where a man places his testicles in another person's anus.

2. (Slang) An exclaimation expressing joy or felicity.

3. (Archaic) A statement of frustation or indifference.
An excerpt from 1108 Thugz's song, "Fast Food Fuckin'"

"Dog in de bafftub, bafftub,
Dog in de bafftub, bafftub,
Rubba-dub-dub, rubba-dub-dub-dub!
Bawz in her asshole, asshole."
by Kenji Tetsuo February 28, 2003
Get the dog in de bafftub mug.