Flounderbasket 

Similar to the Alaskan Flounder Basket act, in this case a warm object such as a wet towel or a heating pad is put inside an un-douched vagina and then is removed and oral debaucheries are performed using said object.

A nice flounderbasket for a cold winter's day.

Flounderbasket by ye olde internet May 24, 2014

dog flounder 

When you fuck your bitch doggy style so hard she flips like a flounder

I fucked her so hard doggy style she was looking like a dog flounder

dog flounder by That Capano Guy January 12, 2016

pounding the flounder 

Um well fucking yourself...
Masturbation
What your mom does at night...

She was pounding the flounder.

pounding the flounder by Did bish August 28, 2016

fuzzy flounder fishing 

tring to find and have sex with a women

lets go fuzzy flounder finshing tonight

fuzzy flounder fishing by adam schott March 15, 2005

Powder Flounder 

A skier or snowboarder that falls into a large pile of snow and has difficultly getting back up. This typically occurs on days following a large snowfall, aka a powder day. The fallen person will often resemble a flopping fish out of water as they flail around and attempt to stand.

"There was so much snow we saw 10 people powder flounder."

"I powder floundered so hard on that run."

"Sorry I took so long, I was just powder floundering in that 6ft pile of snow."

Powder Flounder by JojoT January 13, 2014

flounder penis 

Will’s tiny shrimp dick

Will’s dick is as small as a flounder penis

flounder penis by Master of chundy June 6, 2018

Flounder

The true definition of a flounder is a shapeless woman who has neither breasts nor an ass. She is thinly shaped up and down much like the fish.

The flounder originally thought she was cute until she discovered that she lacked any sexual organ that would catch the eye of the opposite sex.

Flounder by Lord Price XI April 5, 2009