Don't Try This At Home: Guy Downs 1.25 Gallons Of McDonald's Shamrock Shakes In Under Five Minutes

Don't Try This At Home: Guy Downs 1.25 Gallons Of McDonald's Milkshakes In Under Five Minutes
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What better way to celebrate St Patrick's Day than to sip leisurely on a pint of Guinness.

Well competitive eater Matt Stonie evidently thought chugging down 1.25 gallons of McDonald's Shamrock Shakes in under five minutes was, as that's exactly what he did.

That's 5,740 calories and 805g of sugar's worth of shake.

Gulp.

Despite turning a rather sickly shade of green during the last few seconds of the challenge (which appears to be purely self-inflicted), the 22-year-old does in fact manage the feat... presumably with some considerable brain freeze to match.

We really would *not* recommend trying this at home.