(idiomatic, slang, chiefly imperative) To stay calm.

Alternative form of big-girl pants

Alternative form of big-boy pants

(informal) Pull-up underwear worn by a boy during and after toilet training, as contrasted to the diapers worn during infancy.

(informal) Pull-up underwear worn by a girl during and after toilet training, as contrasted to the diapers worn during infancy.

(slang, euphemistic) To defecate, urinate, or ejaculate in one's pants, especially as a result of fear or amazement.

Alternative form of soil oneself

(informal) To refrain from trying to have sex with someone.

Third-person singular simple present indicative form of get in someone's pants

simple past tense and past participle of get in someone's pants