As a noun cheese
is (uncountable) a dairy product made from curdled or cultured milk or
cheese can be (slang) wealth, fame, excellence, importance.
As a verb cheese
is to prepare curds for making cheese or
cheese can be (slang) to stop; to refrain from or
cheese can be (gaming|slang) to use an unsporting tactic; to repeatedly use an attack which is overpowered or difficult to counter.
As an interjection cheese
is (photography).
As a proper noun vietnam is
vietnam.