throw up phrasal verb ( see also ↑ throw )
1 . to bring food or drink up from your stomach out through your mouth because you are ill SYN vomit :
Georgia was bent over the basin, throwing up.
2 . throw something ↔ up British English to produce problems, ideas, results etc:
The arrangement may throw up problems in other areas.
3 . throw something ↔ up if a vehicle, runner etc throws up dust, water etc as they move along, they make it rise into the air
4 . throw something ↔ up British English informal to suddenly leave your job, your home etc:
I can’t just throw everything up and come and live with you.
5 . throw something ↔ up British English to build something quickly:
new houses hastily thrown up by developers