- Flummox is defined as to confuse someone.
When you ask someone tough questions about a scientific theory that he is studying and he cannot understand the questions, this is an example of when you flummox.
flummox definition by Webster's New World
Origin: ; from uncertain or unknown; perhaps
flummox definition by American Heritage Dictionary
transitive verb flum·moxed, flum·mox·ing, flum·mox·es Informal
Origin: Probably of English dialectal origin.