rib pontoons

a big set of breasts

Man, check out the rib pontoons on that slut!

by unkkle buckk September 5, 2006

Cotton Pontoon

A tampon is a mass of cotton or rayon; or a mixture of the two inserted into a body cavity or wound to absorb bodily fluid. The most common type in daily use (and the topic of the remainder of this article) designed to be inserted into the vagina during menstruation to absorb the flow of menstrual fluid.

Man she must be riding the Cotton Pontoon cause she is Bitchy!!

by Newftronics April 25, 2011

pontoon animal

A fat obese chick resembling a large animal.

Holy poop that bitch is a pontoon animal

by Wada November 19, 2005

Pontoon Boating

Similar to Motor Boating, but accomplished by placing your face in the other persons' ass cheeks instead of their breasts.

My mouth tastes like shit today because I was up all night pontoon boating this girl I met at Starbucks.

by Goofytits May 10, 2015

pontoon

An expletive which can replace harsher curse words but is intended to have a greater impact.

oh PONTOON!

by yur.mom April 7, 2020

douche pontoon

A person achieves this maximum level after evolving from the form douche canoe. Only the douchiest of douche canoes can obtain this legendary final form. Proceed with caution, because standing close to them for long periods of time is more legal than bathing in nuclear waste.

Ohhh my god! Tabitha has evolved into the final form of a douche pontoon! Run for your life!!

by PaulieD13 May 9, 2017

musty pontoon

When your underpants are moist and smell like the morning on a lake when the pontoon boat is covered in mist.

I’m so horny. Total musty pontoon down there.

by I J Margulieth August 21, 2021