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pontoon boat full of females and a solitary male. or sometimes all females
1- A nerdy guy with $$ has a pontoon boatfull of women in the odd chance of getting lucky. They; all friends are just taking advantage of a day on the lake. it is a ''poontoon''
2- A really old guy with wife, sisters, daughters, grand kids, spinster aunts, and even sometimes great grandkids. aboard the pontoon. Seems female genes were dominant. 30 foot luxury ''poontoon''
3-All babes, hot or not. Ultimate ''poontoon''
by Tom U Kno Who September 13, 2009
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A pontoon boat full of hot chicks and a badass captain named Allen. Activities on the poontoon are similar to Mardi Gras including general drunkeness and bead giving for boobie flashes. The poontoon can usually be found anchored at a sandbar in southern Michigan lakes, just look for the party, hot chicks, and a badass captain.
"Damn! Captain Allen has a pontoon boat full of hot chicks partying again, that thing is a fucking POONTOON!!"
by AA01 February 18, 2012
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Ever since Lance got the Poontoon, the ladies hit him up non-stop to party.

Parker, Arizona is the perfect place for pastie clad hot chicks to party on Lance's Poontoon.
by Salviprincess June 02, 2017
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A pontoon boat boat full of fat chicks.

Poontoons are usually pulled to the lakes by a piece of crap Ford F-150. All jacked up to make up for a small dick.
Look at Matt driving that faggot truck trying to back that poontoon full of fat girls in the water.
by Littledickleeroy August 07, 2017
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“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
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