The coldest and most delicious beer you can get your hands on.
Also known as a mcfrosty, similar to the one from your local fast food restaurant. A cold mcfrosty is singular.
After a long week at work, Bovice and Orpheus requested a cold Mcfrostington from the bartender.
Brian: "Man, I cant wait to crush a case of cold Mcfrostingtons when i get back from the gym."