Man, when I was doing Suzy last night I tried to put my ballzack into her brownstar, it was like trying to keep a dog in a bathtub.
by Scud August 20, 2004
 Get the dog in the bathtubmug.
Get the dog in the bathtubmug. The sexual act of placing both penis and full scrotum inside the anus of your partner.  Said act is aptly titled as pertaining to the complication factor of performing the act of keeping a Dog in a bathtub.
by The Broiler July 16, 2008
 Get the dog in a bathtubmug.
Get the dog in a bathtubmug. by Anonymous April 25, 2003
 Get the dog in the bathtubmug.
Get the dog in the bathtubmug. by Anonymous February 25, 2003
 Get the dog in the bathtubmug.
Get the dog in the bathtubmug. by pooteck May 22, 2003
 Get the dog in the bathtubmug.
Get the dog in the bathtubmug. When you're "doing" a girl, and you try to get both your balls AND your dick inside of her (there isn't enough room for both).
by BAM -- I'm scene! January 31, 2005
 Get the Dog in the Bathtubmug.
Get the Dog in the Bathtubmug. when you lube up someone's anus and squeeze your balls inside. then try to keep them from jumping out, like a dog in a bathtub.
Dude!Sandy was walking real funny this morning, what'd you do to her bro?!?!?!?
well man i fucked her, sucked her tities then broke out the astroglide and gave her that dog in a bathtub treatment!
well man i fucked her, sucked her tities then broke out the astroglide and gave her that dog in a bathtub treatment!
by fuzzyknubbles October 3, 2008
 Get the dog in a bathtubmug.
Get the dog in a bathtubmug.