Stumper

Webster's Dictionary of the English Language

·noun One who stumps.

II. Stumper ·noun A boastful person.

III. Stumper ·noun A puzzling or incredible story.

Related Words

stumper
A puzzler. My moto was a stumper to Sally; so she got Joss to explain it, and the way he did it was...

Dictionary of American Words And Phrases by John Russell Bartlett.