Cap'n Morgan's Recursive Eggnog Recipe
I have to admit, it's easier to buy the stuff in cartons (A&E, hereabouts) than whip up your own.
Should you feel masochistically inclined to uncork George Washington's old family recipe for a Traditional Eggnog Riot, good luck with that. My nuncle had an eggnog recipe. I don't. TGFG.