hate like sin
hate (someone or something) like sin
To hate someone or something very aggressively, intensely, or enthusiastically. I know you're suppose to forgive and forget, but I can't help it—I just hate him like sin for what he's done to me. Good luck getting Scotty out of bed this early—he hates mornings like sin.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
hate someone or something like sin
Fig. to hate someone or something a great deal. She won't eat brussels sprouts. She hates 'em like sin. I don't want that man anywhere near me. I hate him like sin.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.