fucked by a horse
when a horse has sex, or sometimes oral sex (or possibly anal sex) with a woman or man. When the horse blows its load it often smiles and says something clever, leaving the person covered in horse semen.
Person: "This horse is aggressive"
Horse: "fuck yeah! mothafucka!"
Person: "You ejaculated on my head and clothes!"
Horse: "It's because you were fuckin' fucked by a horse you fuckin' fuck fucker!"