A person who always ends a sentence or conversation by moaning, usually it is quite hard to put up with a Naggy Bracket.

The alley in Bethnal Green, London, where The Libertines' song 'Up The Bracket' was filmed that has become a place of pilgrimage for Libertines fans. It is graffittied with many Libertines lyrics and is close to Carl Barât and Pete Doherty's former flat on Teesdale Street.

Open Bracket, Y, Close Bracket: The msn emoticon for a Thumbs Up.

To comment on someones stupid/illogical action in a third person point of view to make fun of them, sometimes in a sarcastic manner. When using the bracket voice one must over pronounce every word they are saying for maximum effect.

When in text format add brackets to the words you want to say in the bracket voice.

Bracket Eight is the correct way to explain the sexual act called "69ing" or "sixty nining." The man's penis goes into the woman's mouth and the man's tongue goes into the woman's vagina, therefore the man is the bracket. The woman is represented by the "8" because both extensions of the bracket penetrate the openings of the eight "8," the mouth and vagina of the woman.

{8 (The real bracket cannot be used on Urban Dictionary)

In sports: when there are very few upsets in an playoff system/bracket/tournament

A very loose boundary. A limit that can be stretched like taffy. Usually used to describe financial ambiguity.