Oh noooo Penny! She's having a bad day.
We got a few questions about a Four Horseman last week-- I know of two versions. The version that the internet widely seems to agree on is the Four Horseman being four shots of whiskey: Jim Beam, Jack Daniels, Johnnie Walker and Jameson. The version that I was made aware of back home in DC was 4 different types of liquors - so a whiskey, a rum, a tequila and Jager I think. Regardless, it's pretty brutal!