to show that you are proud and able to deal with anything; to straighten your body and hold an upright posture
Oxford75% of films
to show that you are proud and able to deal with anything
Gentlemen, we have found our opportunity to stand tall again
Miss Harrison. Stand tall, girl. [door closes]
Editorial25% of films
to straighten your body and hold an upright posture
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition