Verb: To surprise an innocent victim, by retracting your arms into their sleeves, and throwing your sleeves onto the victims shoulders, while yelling "SNEATH!"
Adjective: A way to describe a sneaky, wide eyed phony. Who keeps to him/herself, and scares off unwanted visitors.
Person 2: O yes its gorgeous.
Person 1: OMG!! It's a Sneath! Run!!
Sneath: Sneath. Sneath. Sneath.
Person 1: Wow that guy is such a Sneath.
Person 1: I'm so going to sneath you tonight!
Girl: there! *points at sneath*
Sneath: *smiles seductively at girl* SNEATH!
Boy: Holy shit!
Sneath: *runs off growling*
Crowd of young girls: THERE GOES THE SNEATH!
Ex. 2 - Maybe there's something wrong with me, but nothing beats warm sneath in the morning.