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curdle (one's) blood
To terrify someone. That horror movie curdled my blood so badly that I spent the next week sleeping in my parents' bedroom!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
curdle someone's blood
Fig. to frighten or disgust someone severely. The story was scary enough to curdle your blood. The terrible scream was enough to curdle my blood.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.