1 definition by Doctor Blumps
Similar to the Blumpkin (taking a dump while receiving a blowjob) except this time your shitting in the top tank of the toilet.
After we entered the restroom, we disrobed, removed the top cover on the toilet. After I paid her, the prostitue gave me a blumptank. I bet the cleaning people were impressed.
by Doctor Blumps January 22, 2008