A built-in waterfall is a slang term for a well-lubricated vagina. One that is very wet and moist. One that has been aroused and may be expecting company.
Her built-in waterfall was inviting
When in the shower you ejaculate on your partner and it mixes with the water than you watch the semen trickle down to her kankle
hey my girl might be fat but atleast i get to see a westchester waterfall everyday
A Mississipi Waterfall is the act of pissing on a relative
Mom smelt like piss for a week after my brother gave her a mississippi waterfall
Where a man jacks off on a gal's ass crack as trumpets play "calling to the post"....
I have moment in my pants at the start of every horse race ....damn you Kentucky Waterfall...
When a man jacks off on a gal's ass crack as trumpets play "calling to the post"....
"I have movement in my britches at the start of every horse race - damn you Kentucky Waterfall!"
When you give a girl an enema with Kentucky bourbon (preferably Jim beam) and have her shit it back out of her ass on to your face and or torso.
Hey did you hear how Jamie Lynn gave Cletus a Kentucky waterfall last night? They sure know how to party.