Buffalo.
“Engage in bamboozlement.”

Buffalo buffalo.
“American bison are characteristically given to engaging in bambloozlement.”

Buffalo buffalo buffalo.
“American bison are characteristically given to bamboozling other members of their species.”

Buffalo buffalo buffalo buffalo.
“American bison habitually bamboozled by members of their own species (that is, buffalo whom other buffalo regularly buffalo) characteristically engage in bamboozlement.”

Buffalo buffalo buffalo buffalo buffalo.
“American bison habitually bamboozled by members of their own species (that is, buffalo whom other buffalo regularly buffalo) tend to return the compliment by bamboozling in turn yet other members of the species.”

Buffalo buffalo buffalo buffalo buffalo buffalo.
“American bison habitually bamboozled by members of their own species that have themselves been bamboozled by others of their ilk (that is, buffalo whom other buffalo who have themselves been buffaloed by buffalo regularly buffalo) tend to engage in bamboozlement.”

Buffalo buffalo buffalo buffalo buffalo buffalo buffalo.
…

So I think the shortened man style geek comment is correct “Buffalo [buffalo].”