blow it

blow it (informal)

to spoil your chance of achieving something you want because of something you do or say. She was hoping for promotion but she blew it when she got pregnant. They want to publish his autobiography so let's hope he doesn't blow it by arguing with the publishers.

See also: blow

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blow it

to lose an opportunity. Most people think Congress blew it on the environment by not acting quickly on the president's proposals.

throw away something

See also: blow