Let's get something straight: Fooling your girlfriend into thinking you've cheated on her is not the stuff of pranks. Call us crazy, but "Hey, I totally cheated on you. Sorry, babe!" just doesn't get a laugh out of us the same way, say, putting your co-worker's stapler in Jell-O would.
Still, for whatever reason, YouTube prankster Roman Atwood decided he'd use the occasion of his fifth anniversary with his girlfriend to prank her into thinking he was getting a little side action. The only problem? Atwood's girlfriend, Brittney, is totally, 100 percent his equal in pulling pranks and turns his joke on its head in a way that is nothing short of masterful.
Watch the video above to see how the whole thing plays out (note that it's NSFW). Then, scroll through the slideshow for some of the best pranks found on the internet.