Example: the bits of toothpaste all over the bathroom mirror, flung from one's mouth.
2. intr. verb: to make a mess comprised of fragments of matter, especially when those fragments are grody.
Example: to vomit on something or in an area not suitable to vomiting.
Etymology: Derived from the archaic "spleatch child," a rare form of human that when struck by a moving vehicle, explodes instantly into a giant, grody mess.
Watch it man! When you just sneezed, you got spleatch all over my new iBook's screen.