big-girl pants

== English == === Alternative forms === big girl pants === Etymology === See big girl. === Pronunciation === Rhymes: -ænts === Noun === big-girl pants pl (plural only) (informal) Pull-up underwear worn by a girl during and after toilet training, as contrasted to the diapers worn during infancy. Hypernym: underpants Coordinate term: big-boy pants (informal, figuratively) A notional pair of trousers or underwear worn by a female when acting maturely. Antonyms: bitchy pants, grumpy pants, scaredy pants Coordinate term: big-boy pants ==== Related terms ==== in short pants