It is what happens when Number Two (or five these days) inserts his enormous steel plated testicles inside an unsuspecting minx's beeeeeeehind and shakes them vigorously. His balls give off such friction that authorities have often feared another Chernobyl type incident.
After waving to the crowd, Number two reveals his massive testicles and pops them fair into the arse of Mimi McPherson. While she smokes crack. And her crack smokes as well.
by Mongobucket May 2, 2005
 Get the dog in the bathtubmug.
Get the dog in the bathtubmug. When you try to jam both of your nuts in a girl's asshole.  It's supposed to be as difficult as keeping two live dogs in a bathtub together.
by billy poopluvr May 4, 2004
 Get the Two Dogs in a Bathtubmug.
Get the Two Dogs in a Bathtubmug. by I'm Rick Burd, Bitch April 2, 2004
 Get the 2 dogs in a bathtubmug.
Get the 2 dogs in a bathtubmug. The act of fucking a woman in the pussy with your cock while simultaneaously sticking your balls in her arse, known as "keeping the dog in the bathtub" because it is as hard to pull of successfully as keeping your dog in the the bathtub while washing it.
See also plum fuck
See also plum fuck
by DeadlyDave June 11, 2006
 Get the keeping the dog in the bathtubmug.
Get the keeping the dog in the bathtubmug. by Mia Butthurts February 15, 2017
 Get the 5 dogs in a bathtubmug.
Get the 5 dogs in a bathtubmug. The act of inserting one's entire penis and scrotum into an anus or vagina. The difficulty of that feat is akin to getting three dogs to take a bath at once, hence the phrase 'three dogs in a bathtub.'
Fitting my whole package into Sarah was harder than putting 3 dogs in a bathtub.
Or:
Kelly was so wide open I put three dogs in the bathtub.
Or:
Kelly was so wide open I put three dogs in the bathtub.
by Slime Church March 11, 2011
 Get the 3 dogs in a bathtubmug.
Get the 3 dogs in a bathtubmug. You're screwing a girl in the ass.  You try to get your nuts up in there as well.  It's about as tough as trying to get the dog into the bathtub.
by oas August 28, 2006
 Get the get the dog into the bathtubmug.
Get the get the dog into the bathtubmug.