Top definition
A dried up crusty penis. It would look like a wrinkely pruney finger after you were in the bathtub too long.
*Grandma was baking cookies one day when grandpa walked out of the bathroom stark naked. She exclaimed "By Golly! He has a Twat Dog!"

**After being in the hot tub for quite some time, Billy stepped out and was pantsed by a friend exposing his Twat Dog to everyone at the party.
by SABINATOR August 11, 2009
Mug icon

Donkey Punch Plush

10" high plush doll.

Buy the plush
2
a twat dog is when a male tries sticking his limp dick into a girls vagina, and it won't go in beacause it is limp like a hot dog, similar to whiskey dick.
That swamp donkey was so ugly i got a twat dog and was able to perform sexual endeavors with her.
by connor savage March 25, 2008
Mug icon

Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

Buy the plush
3
When you put a cold, preferably frozen hot dog in a girls pussy when shes passed out, then it gets stuck in there. It WILL smell like shit in a few days without her realizing it.
"When Jennifer was passed out drunk, I pulled the ol' Twat-Dog on her."
by Brian Wert Craig Wert Jared V December 13, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
4
A Female who Pleasures herself With a hotdog.
Danielle: Did you hear about crystal? She put a hotdog in her vagina and it broke off inside and she had to go to the hospital.
Cassie: Ew. She's a twatdog.
by DannieSocute October 17, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug