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!"