will only fuck one person at a time; serial monogamist, even if the other person involved is not
I get that you're married, but I don't want to date other people. I am more of a one horse Sally.
by Aspeckof April 8, 2017
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When a man puts his foot and leg until his knee up his partners vagina. Very advanced sex position not to be attempted by beginners.
"hey sweetie, do you want to do the one horsed pony tonight?"
"Are you crazy??!!!???"
by Timothey December 22, 2020
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One Horse Pony is the senile way of saying you’ve lost your marbles; or a perverted act
by Millennial_things December 24, 2020
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A sexual position where a larger woman uses a strap-on (Horse) to peg a smaller man (the pony)
Awh man that stripper Jaquanda brought out the One Horse Pony last night, I can’t walk”
by Joeyb December 23, 2020
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1) Refers to XXX-rated live stage female performers ("ponies") that will use only one stallion as a sex partner for all performances.

2) When said, it is a jab at Joe Biden not knowing the correct saying of "one TRICK pony" when he snapped at a reporter that was tenaciously asking questions about his son Hunter's alleged wrong doings with regard to international financial transactions.
"I don't know what she's going to do when they put that stallion out to stud!" LOL

"C'mon man! You're a one horse pony on that question, I'll give you that!"
by Rico949 December 24, 2020
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A misstated version of "one trick pony," used when you gamble with a brain fart and lipshit yourself.
Yes, yes, yes. God love you, man. You're a one horse pony," Biden replied as he made his way offstage.
by Daniel Favor December 24, 2020
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