verbal phr. (American).TO CATCH A TARTAR (q.v.); to meet with ones superior.
1887. STUART CUMBERLAND, The Queens Highway. In rough Western parlance a man who falls in with such a player (a man, who, bearing a high reputation for all-round godliness, is a crack poker player) CATCHES ON A SNAG, and it is said that every one who visits the North-West comes across sooner or later the SNAG on which he is TO CATCH.