When you pass out on the bed with your head next to your buddie's ass and he farts gently into your face.
Evan is scrubbing madly at his face in the bathroom one morning.
Art: "Dude, you're going to rub your face raw!"
Evan: "Dude, you gave me a chocolate whisper last night! I don't want to go to work with any farticles on my face!"