The act of doing a guy/girl from behind while shaving one's own anal hairs. Just as one is about to blow one's load, he pulls out and squirts a line along the receiver's back. He then sprinkles the anal hairs along the line to create a mane, much like that of a pony.
by Marco (Jesus) April 23, 2006

The equivalent of "Smack Wally". An alternate form of the "Spot the Pony" title of features in young girl's annuals.
Doon MacKichan: "At first we called it Spot the Pony because that's what you have in those young girls' annuals. Then Kevin Lygo suggested Smack the Pony... People think it's a reference to something sexual but in fact it's a made-up thing."
by Greg-K May 30, 2020

Pizzamaker: "I am a ninja!"
Pete Dick: "Whatever..."
Pizzamaker (whacking Pete in the thigh): "Take that then!"
Pete Dick: "What the hell fuck face, you just gave me a chucky pony."
Pete Dick: "Whatever..."
Pizzamaker (whacking Pete in the thigh): "Take that then!"
Pete Dick: "What the hell fuck face, you just gave me a chucky pony."
by Pete Dick March 12, 2008

Person 1: "Wow, is Jeff STILL in his room?"
Person 2: "Yeah, he hasnt come down for days, he's probably up there smacking the pony again..."
Person 2: "Yeah, he hasnt come down for days, he's probably up there smacking the pony again..."
by abstract_J May 31, 2009

by P.I.P. November 2, 2008

Horse. Heroin. Shooting/smoking heroin. Keeps it kinda secret from others cause not many refer to heroin as 'pony'.
by carfentanil February 19, 2012
