Traditionally meaning "a fine, filmy substance consisting of cobwebs spun by small spiders, which is seen especially in autumn." Though it is used by a select few as an alternate term for goddamnit, following an autocorrect fail.
Soneone who can touch you, feel you up, or steal stuff that's in your hands wuthout you noticing or feeling them. Usually thieves or perverts, however sometimes there skills come in handy.