Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo.
or,in other words,
Bison from upstate New York who are intimidated by other bison in their community also happen to intimidate other bison in their community.
Users not always get the changes in meaning and function in your own particular grammar.
Bison are different than buffalo. Bison live in the mountains,have a different hump on their backs and the shape of their leg and hoof is more suited to climbing. A park ranger in Yellowstone got irritated with me calling the bison buffalo and spent about 30 minutes explaining the difference.