She laughed until her sides hurt.
Meaning: This means she laughed very hard and for a long time, to the point where it caused her physical discomfort.
Choice of Words: Laughed is the past tense of the verb laugh, which means to make a sound expressing amusement or joy. Sides are the parts of your body on either side of your waist. Hurt means to feel pain. So, "She laughed until her sides hurt" means she laughed so hard that her sides started to feel pain.
Alternative Expressions
Related Expressions