Luckily, smell-o-vision doesn't exist in video games yet. The "Fun & Games Spotlight Pack" for Killzone: Shadow Fall contains fart, planking and comedy spotlight moves, allowing players to taunt with toilet humor. The Fun & Games Spotlight Pack is $2 on the PSN Store.
Finally, farts in 1080p. This is true next-gen.
Gallery: Killzone: Shadow Fall (Review) | 12 Photos