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1. verb To hurl, fling, or cast someone or something into the air or up to a higher position. A noun or pronoun can be used between "throw" and "up." He threw up the child in the air and caught her as she fell. Will you throw this book up on the top shelf for me? Stop poking the fire, you're throwing ash up into the air.
2. verb To vomit. The substance being vomited can be mentioned after the phrase or between "throw" and "up." I feel so sick after that car ride, I think I may throw up. The poor kid threw up his lunch after being spun around so fast. You're going to throw that candy up if you don't stop eating it so fast.
3. verb To build, assemble, or construct something hastily or haphazardly. A noun or pronoun can be used between "throw" and "up." This is one of the many houses developers threw up during the economic boom—it has shoddy wiring, paper-thin walls, and very little in the way of genuine craftsmanship. We've been forced to throw temporary housing units up for the major influx of refugees.
4. verb To raise or elevate something very quickly. In this usage, a noun or pronoun can be used between "throw" and "up." She threw her hand up once she realized the answer to the question. Cease fire! They've thrown up the white flag!
5. verb To project or display something on a surface above the ground. In this usage, a noun or pronoun can be used between "throw" and "up." The police threw up a few images of suspected criminals on the screen to see if the witness recognized any of them. I threw some slides up on the projector showing the reproductive process of amoeba.
6. verb To raise, uncover, or produce something for consideration. The inquiry threw up more questions than it was able to answer. Her latest book throws up many interesting ideas about the nature of human consciousness.
7. noun Vomit. As a noun, the phrase is usually hyphenated. Scatter some sawdust on that throw-up so we can clean it up.
throw something up
1. to build or erect something in a hurry. They sure threw that building up in a hurry. They threw up the building in only a few weeks.
2. to vomit something. Poor Wally threw his dinner up. He threw up his dinner.
to vomit. I was afraid I would throw up, the food was so horrible. This food is bad enough to make you throw up.
1. Vomit, as in The new drug makes many patients throw up. [First half of 1700s]
2. Abandon, relinquish, as in After the results of the poll came in, she threw up her campaign for the Senate.
3. Construct hurriedly, as in The builder threw up three houses in a matter of a few months. [Late 1500s]
4. throw it up to. Criticize, upbraid, as in Dad was always throwing it up to the boys that they were careless and messy. [Early 1800s]
1. To propel or discharge something into the air: He threw the ball up and it landed on the roof. The lawn mower threw up a rock.
2. Sports To execute some type of throw or a throw with some outcome: The quarterback threw up an interception.
3. To raise something quickly: They threw up their hands in exasperation. The color guard threw up the flag.
4. To eject some contents of the stomach by vomiting: The baby threw up her dinner. He threw the medicine up.
5. To vomit: The passenger threw up over the side of the boat.
6. To abandon something; relinquish something: She threw up her campaign for mayor. He threw the idea up because there was no support for it.
7. To construct or erect something hurriedly: The city threw the building up in under a year. The new apartment complex was thrown up in just a few months.
8. To refer to something repeatedly: She threw up his past to him whenever they argued. She wanted to forget the argument, but he kept throwing it up.
9. To project, play, or otherwise display some slide, videotape, or other recorded image: My cousin threw the tape of vacation highlights up on the screen. The teacher threw up the slides of the operation.
10. To post something: The team threw up five goals. The coach threw the results up on a bulletin board.
11. To put something forth for consideration or discussion: The accident threw up many questions. The elections threw many surprises up.