Silent farts! you can’t hear them… but when they reach you, you won’t miss them.
This hilarious gif of a cat smelling some smelly cheese cracks me up. The cat reaction is priceless and really reminds me of when people rip a silent fart next to you and they leave.
Watch the video of a the cat smelling cheese
Also, if you feel like learning why silent farts smell worse than loud one watch this video