In sports (basketball and baseball, mainly) when one team wins every game in a series.

A goth who has been part of the subculture since it originally came about, or a goth over the age of 40.

A time of the year the world of television programs where the virgins become sluts, the straits become gay, the mild-mannered become basket-cases, likeable characters turn out to be evil and/or die, couples cheat on eachother, the selfless turn selfish, someone gets pregnant, and just about any other thing that the creators can think of to boost their show's ratings enough to avoid getting cancelled by the network executives.

Often as soon as sweeps week is over, all these elements are suddenly written out or forgotten.

A Style of picking, used on the guitar. You sweep your pick across the string, most of the time producing a triplet sound.
Usually used to sweep arpeggios.

When a girl brushes away a guy's hand as he tries to finger her.

(n.) a raid by the police

a technique with the guitar in which the fretting fingers are moved one at a time while the picking hand does not pick at all but strums.