Do you know that the sentence “Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo” is grammatically correct?
There are 3 meanings to the word buffalo here, they are;

a. the city of Buffalo, New York, which is used as a noun adjunct in the sentence and is followed by the animal;
n. the noun buffalo, an animal, in the plural (equivalent to “buffaloes” or “buffalos”), in order to avoid articles;
v. the verb “buffalo” meaning to bully, confuse, deceive, or intimidate.

So with that marker (a, n, v) placed in the sentence, they are:

Buffalo^a buffaloⁿ Buffalo^a buffaloⁿ buffalo^v buffalo^v Buffalo^a buffaloⁿ

Which means,
THE buffalo FROM Buffalo WHO ARE buffaloed BY buffalo FROM Buffalo, buffalo buffalo FROM Buffalo.

source

Are you baffled? Here’s a youtube video trying to explain things;

Tagged as: Buffalo, English, grammar.