The term 'American Buffalo' can be broken down into three crossword solutions: Mamet (5 letters), Obie (4 letters), and BISON (5 letters). David Mamet is an American playwright, screenwriter, and film director who won a Pulitzer Prize for his play 'Glengarry Glen Ross'. The Obie Awards are annual awards given to Off-Broadway productions in the United States. Finally, the American BISON is a species of bovine native to North America.