dog-tub 

When a man gets hit in the groin with such an impact that his ball(s) go into is body.

It is called dog-tub because it is as difficult as putting a dog in a tub.

I got hit it by beanbag so hard one of my nuts dog-tubbed.

dog-tub by 3rd Greatest Scripter October 28, 2010

wet dog in a tub

when you try to insert both testicles into your partner's asshole. the phrase is referring to the inability to keep a dog in a bathtub, much like the inability to keep both your balls in their asshole.

krishnan tried to achieve a wet dog in a tub, but it failed.

wet dog in a tub by joe February 18, 2004

Dog in a tub 

While doing a woman from behind in her vagina, bringing one of your testicles up and over your penis and inserting it in her anus. Which is harder then getting a 'dog in a tub'....

Dog in a tub by Roostafy April 21, 2003

Dog in the Tub 

Simply place testicles in female's anus. YOU CAN'T DO IT! It's like putting a dog in the bathtub!

"I tried to place my testicles in Gina's anus last night, but I couldn't do it! It was like trying to get my dog in the tub!"

Dog in the Tub by Patrick and Andrew March 6, 2003

Gotta dog in the tub and one behind the couch 

When you put one testicle in her ass and the other between the rolls of her back fat

When the storm killed the power I was with my girl and I gotta dog in the tub and one behind the couch.

Gotta dog in the tub and one behind the couch by Dr. Steph July 7, 2021

Dog In A Bath Tub 

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.

Dog In A Bath Tub by Harry Ballsonya March 19, 2003

Dog In A Bath Tub 

It means a dog in a bath tub.

Look at that dog in a bath tub!

Dog In A Bath Tub by latiaslatios November 16, 2016