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5.
The FULL insertion of one or more testicles into a woman's butthole...the term was coined based of its level of difficulty in both pain and practicality, i.e. getting a dog in a bathtub. Norf
"I had some serious nerve damage after that "Dog in a Bathtub!" - Norf
 
1.
This is a proper name for when you attempt to insert your nuts into a girl's ass. It is so named because it can be just as hard as keeping a dog in the tub while giving it a bath.
I tried like hell to pull off a Dog In A Bath Tub on Suzy, but her queaf threw my balance off.
by Harry Ballsonya March 19, 2003
 
2.
This is the proper name for when you attempt to insert your nuts into a girl's ass. It is so named this because it can be just as hard as keeping a dog in the tub while giving it a bath.
"I gave that bitch a dog in a bathtub"
by CharlesVA August 05, 2006
 
3.
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.
Dude, that girl is ill. She let me give her a dog in a bathtub!
by The Broiler January 26, 2006
 
4.
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!
by fuzzyknubbles July 27, 2008
 
6.
inserting testicles into a partners anus. Why? becuase it's just as hard to get a dog in a bathtub.
I gave her a dog in a bathtub and then made her lick my shitty balls.
by MELVIN April 02, 2005
 
7.
Trying to put your penis and nut sack inside a woman/man (what ever you prefer) anus all at the same time' hens the saying as it is as hard as.
Once i pulled off the dog in the bathtub, I found it was much harder to remove them then put them in.
by whizzane December 30, 2003