Spatter is known as spam tweets on Twitter.

To spray ones toilet bowl with diarea, sometimes incurring splash back onto cheeks of ass

spatter is a term used to describe access shit that sprays from your asshole as you either lay a turd or make a failed attempt to fart but it ends in a shart. this incident is most commonly encountered when you are a fatass and or lost a bet with your rectum

1)To spit on your cock for lube during sexytimes.

2)To cough a load out while in mid blow job causing your jiz to spray on your balls

to cum unexpectedly

when u fart and it is soo wet, the fart turns into a spray and spatters onto ur underwear.
u can also desend ur pantalones and aim ur spatter and make the recpient a shit face