Lunchtime snack: Buffalo

"Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo." is a grammatically valid sentence.

The sentence is unpunctuated and uses three different readings of the word "buffalo". In order of their first use, these are:

1. The city of Buffalo, New York.
2. The animal "buffalo", that is, an American Bison,white buffalo, or African buffalo. It is used in the plural (equivalent to "buffaloes").
3. The "buffalo", meaning to confuse, deceive, or intimidate

Marking each "buffalo" with its use as numbered above gives:

Buffalo¹ buffalo² Buffalo¹ buffalo² buffalo³ buffalo³ Buffalo¹ buffalo².

Don't believe me? Read the wikipedia entry here.