A woman performing a chin-up or pull-up exercise.Licensed from iStockPhoto
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pull-up - Phrases/Idioms
Stop or cause to stop, as in He pulled up his horse, or They pulled up in front of the door. [Early 1600s]
Catch up, advance in relation to others, as in a race. For example, She was behind at the start, but she quickly pulled up. [Late 1800s] Also see pull oneself up by one's bootstraps.