Ruin something, spoil one's chances, as in She knew she'd torn it when she lost the address. It is often put as that tears it, as in He's a whole week late—well, that tears it for the September issue. [Colloquial; early 1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use tear it in a sentence
No threats, not even of death, shall tear it-136- from my lips.The Complete Opera Book | Gustav Kobb