too big for one's britches

== English == === Alternative forms === too big for one's breeches === Etymology === US origin, 19th c. === Pronunciation === === Adjective === too big for one's britches (not comparable) (idiomatic) Disturbingly confident, unacceptably cocky. Synonym: too big for one's boots Used other than figuratively or idiomatically: Too large to fit into one's pants. === References ===