This is literally a Shamrock Shake, but not the kind of Shamrock Shake that Matt Stonie drank in under 5 minutes. Matt Stonie consumed 1.25 gallons of McDonald's Shamrock Shake, check it out!
McDonald’s Shamrock Shake usually comes once a year around St. Patrick’s Day, but as the holiday passes, so does the elusive tasty beverage. Now you don’t have to be in March (or Irish) to enjoy one year round.