SMS message and Internet slang for 'No Reply Required'.

The REAL sound cows make.

A noise commonly made by monsters of all kinds.

An interjection used to express disgruntlement. Also used to gain attention. (Can be spelled with any number of 'r's).

An expression used to freak out unwary passerby.

Commonly referred to as the National Retard Reservation is an exclusive group of idiots that indulge in creating uncontrollable fruit fly populations, creating large messes of sticky residue, and kicking tennis balls at each other. Their rivals are, all school faculty, a rabid pack of liberal girls, and fellow students that Oppose their power.

A descriptor of preference on hookup websites meaning No Reciprocation Required.
Not surprising, quite often that is exactly what you would prefer!