Stick your hand in a Shamrock Shake from McDonald's and then giving your girlfriend the shocker with the shake fresh on your fingers. Yum.
Dad: I just gave my mom The Dirty Leprechaun . It made for a tasty treat.
Son: Wow dad, you sure are swell.
by Brian Aaron Olsdaly March 18, 2007
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When you are squatting over a girls face naked while she is sleeping, like a little leprechaun with your asshole spread open. Next, you throw a pint of Guiness in her face to wake her up, then she wakes up immediately slamming her face into your asshole.
My wife was sleeping last night and I decided to give her a dirty leprechaun.
by AVC8 December 2, 2011
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when a midget gets his face stuck in a girl's ass while tossing her salad
what your mom got from the midget in me, myself, and irene
by dale April 28, 2004
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In the month of March when you go to McDonald’s if you want to add chocolate to your mint shake ask for a Dirty Leprechaun.
McDonald’s Employee: What will you like today?
Vincent: A Dirty Leprechaun

McDonald’s Employee: A what?!
by Vinskiegaming February 24, 2021
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when you are fucking a chick doggystyle, you pick your nose and wipe it underneath her nose, hence giving her a green mustache aka the DIRTY LEPRECHAUN!!!
dude... I was nutting my wife from behind last night and I had this greener I fished outta my nose and gave her a Dirty Leprechaun!
by GOBLINGRINCH September 1, 2008
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