rib pontoons

a big set of breasts

Man, check out the rib pontoons on that slut!

by unkkle buckk September 5, 2006

pontoons

This is a type of womens breast that when acted upon by gravity, they spread far off to the sides...much like women from National Geographic.

"She got the only pontoon titties...they smack against her knees when she is naked and shit."

by dirt burgler April 5, 2003

poontoon

another word for an awesome porno

My girlfriend hates when i watch them poontoons!

by DTWN March 26, 2008

Poontoons

Colloquial term for Hentai

“Hey man, I’ve really gotten into poontoons lately”

“That’s cool. The animation is good, but I prefer the real thing”

by Eden the Magnificent October 22, 2017

poontoon

some one how is annoying and or could have been annoying is a poontoon

miley cyrus is a poontoon

by jam10101 November 11, 2013

Poontoon

Colloquial term for Hentai

“Hey man, I’ve really gotten into poontoons lately”

“That’s cool. The animation is good but I prefer the real thing”

by Eden the Magnificent October 21, 2017

Poontoon

pontoon boat full of females and one solitary badass male captain named Nick.
30 foot luxury “poontoon” All babes, hot or not it’s the Ultimate ''poontoon''

Gotta find me some more bitches for the late night “poontoon” ride

by Badassss6969 December 15, 2019