The snappy gentleman is a a clapping fart it claps as it leaves the anus making a smacking effect. Best achieved while sitting on a hard chair or surface. A mild sent but can go all the way to a horrible stench.
When someone sends you a saved Snapchat (caption and all) over a different platform, making it obvious the original was meant for someone on Snapchat and you're getting their sloppy seconds.
Taylor must be talking to someone else, he sent me snappy seconds of his dog.