pontoon pocket 

The area in between pressed-inward breasts (see also: cleavage, the valley)) where one would insert their penis (referred to by some as a pontoon ) to engage in mammary intercourse (see also: titfuck)

Coined by SizeQueenSupreme

He stuffed a Jackson into the stripper's pontoon pocket, fervently dreaming of jammin' his wang in there.

pontoon pocket by Sukebe- No Kotoba October 19, 2008

pontoon 

The part of a catameran that keeps it afloat on the water. A catameran has two pontoons that are shaped like canoes. They are connected by a platform that the person sailing the boat sits on.

Without pontoons, a catameran would not be able to sail.

pontoon by zanny May 26, 2004

pontoontang 

a really big/fat pussy

Anna Nicole Smith before she got fat = puntang
Anna Nicole Smith on her tv show(aka fat)= pontoon tang

pontoontang by Ogre December 25, 2004

Pontooning 

Blowing furiously onto the fatty portion of a man's testicles, producing a loud bubbly sound.

After her lover motorboated her breasts, she started pontooning him furiously.

Pontooning by catmontty January 5, 2015

pontoon 

The opposite of wretched;

Someone or something that is completely cool, laid-back and ready to party.

Gurrrrl, that feathered hair is so not pontoon.

Vice Vaughn in Swingers is so pontoon.

pontoon by Jason Jopke June 13, 2005

Pontoon 

a code-name for penis

"Theres nothing like splashing a little water on my pontoon."

Pontoon by Skott October 17, 2004

Pontoon 

A beast of a word used by old pedophiles use to entice children into there bedrooms.

Old Man: "OOOOOOOOOH PONTOOOON"

Pontoon by Charles Of Nazereth December 30, 2004