blow it

blow it

(slang)
to lose an opportunity Most people think Congress blew it on the environment by not acting quickly on the president's proposals.
Related vocabulary: throw away something
See also: blow

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

blow it

1. Spoil, botch, or bungle something, as in That was a great opportunity, but now I've blown it. [Slang; c. 1940]
2. blow one's lines. Make a mistake in speaking one's part in a theatrical production, as in Ben blew his lines, but Dean came to the rescue. [Mid-1900s]
See also: blow
References in classic literature ?
Up a wide and ancient staircase the smart girl preceded Tom, shading the chamber candle with her hand, to protect it from the currents of air which in such a rambling old place might have found plenty of room to disport themselves in, without blowing the candle out, but which did blow it out nevertheless--thus affording Tom's enemies an opportunity of asserting that it was he, and not the wind, who extinguished the candle, and that while he pretended to be blowing it alight again, he was in fact kissing the girl.
This was our chance to refine those flaws so that when you do blow it up, it's fairly flawless.
They generate plasma and blow it in a plume about 50-70 mm wide and 25 mm long onto the part surface.
If he wanted to blow it earlier, he could have, but he didn't.