take the blame
take the blame (for something)
To assume or be assigned the responsibility or guilt for something. As manager for this project, I take the blame for its failure. No way—I'm not taking the blame for your stupid prank!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
take the blame (for doing something)
to acknowledge that one is to blame for doing something. Do you really expect for me to take the blame for something I didn't do?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.