1/3 oz Yukon Jack
1/3 oz Jagermeister
1/3 oz 151 proof rum
Use chilled liquor. Pour the Jagermeister in first, then add Yukon Jack, and finally add 151 Rum.
Careful with this one, it may make you sick: but if it doesn't, you'll be fine until the next morning. Don't drink to much of this one!