Verb. Denotes a form of precipitation between sprinkling and misting. The term originated in the city of Portland were it rains so much that people have begun to make up words to keep from becoming seasonally depressed.

This phenomenon is simulated in grocery stores around the country to freshen stale/old produce.
Oh no, it´s starting to spist. Water is getting into my superbly crafted local micro-brewed beer.
by Your Mom's Pseudonym April 10, 2009
Get the to spist mug.