I have never heard of a Guiness Float before, but seeing as I like both Guiness and Coke Floats... I want to try it as soon as I stop my short-term keto diet! W

I have never heard of a Guiness Float before, but seeing as I like both Guiness and Coke Floats... I want to try it as soon as I stop my short-term keto diet! What's it like?