Most literally, to fuck is to copulate, but it is also used as a more general expletive or intensifier. The usually accepted first known occurrence of the word fuck is in code in a poem in a mixture of Latin and English composed some time before 1500. So, keep the rich history of the word a live by ordering or making th Fuck Me Up drink recipe.
Bailey's, Kahlua and your favorite mixer. The Fuck Me Up recipe ads Banana liqueur.