stand up
stand up {v.}
1. To rise to a standing position; get up on your feet.
A gentleman stands up when a lady enters a room.
2. To be strong enough to use hard or for a long time.
A rocket must be built strongly to stand up under the blast-off.
The old car has already stood up for twenty years.
Compare: WEAR WELL.
3. {informal}
To make a date and then fail to keep it.
June cried when Bill stood her up on their first dale.
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Source: A Dictionary of American Idioms