In some extreme cases, the suffering party's skin may become significantly darker during this time.
Jim: "Oh man, I think I'm about to black out..."
Bill: "What makes you say that?"
Jim: "I just got the biggest cravin' for some watermelon, motherfucker!"
Fred: "So Bob, did you catch the game las- SHI-IT! I could definitely get me some fried chicken right now, motherfucker, mm-mmm!"
Bob: "Whoa there Fred, you just blacked out!"