throw up

Meanings

1. Used other than figuratively or idiomatically: see throw, up.
2. To vomit.
3. To produce or reveal something new or unexpected.
4. To cause something such as dust or water to rise into the air.
5. To erect, particularly hastily.
6. To give up, abandon something.
7. To display a gang sign using the hands.
8. To enlarge, as a picture reflected on a screen.
9. To give special prominence to a line or lines.

1. Misspelling of throwup (“vomit”).

1. Used as an expression of frustration or to dismiss a conversation partner.

Etymology

The vomit sense is a clipping of throw up one's accounts (18th century), from earlier idiom cast up one's accounts (15th century).