The best possible item ever placed on the Mcdonalds' menu. People wait hours just to buy one when they start selling them the month before St Patrick's day. A green vanilla mike shake (which may or may not be more addictive than crack.)
Person X: What the hell is this line for at McDonalds?
Person Y: They released Shamrock Shakes, again!
Person X: Is that a Mexican thing?
Person Y: Irish.
Person X: Ahhhh...bless the Irish and their dairy treats!
by Philly1221 September 20, 2006
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to receive a hand-job in the bathroom of an Irish pub, or simply a hand-job given by an Irishman
Greg "Paddy O'Flanagan gave me a shamrock shake the other day."
Steve "You're a fag"
by lonnielassar March 1, 2010
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When a woman (or man) dabs a drop of green food coloring on her tongue before taking a load of cum in her mouth
Swishes it around and spits out green
See that girl, she gave me a Shamrock shake on St. pattys day last year
by Pizzadumpster March 9, 2019
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When performing a four leaf clover using the mouth, and all four dicks cum at the same time.
Cindy was getting the ol' four leaf clover and ended up with a Shamrock Shake.
by Trent Gibbard January 8, 2020
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When you insert a four leaf clover into someone’s asshole and you fuck them with the four leaf clover still inside. It’s best to cum while still inside to give it that shamrock shake feel.
“You keep talking to me like that I’m finna give you a shamrock shake!”
by Smokey1108 April 11, 2019
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