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pin (something) on (one)
To blame or try to frame one for a crime, transgression, or wrongdoing of which they are innocent. They tried to pin the theft on me just because I had access to the safe that day. The police pinned the murder on him because he was a convenient suspect, even though they had no real proof. No way, you ain't pinning this on me!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
pin something on someone or something
to hang something on someone or something by pinning. (See also pin something on someone.) The mayor pinned the medal on the boy who had rescued the swimmer. I pinned a yellow ribbon on my lapel.
pin something on someone
Fig. Inf. to blame something on someone; to frame someone for a crime; to make it appear that an innocent person has actually committed a crime. (See also pin something on someone or something.) Don't try to pin that crime on me! I didn't do it. The gang member tried to pin the crime on a rival gang.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
Attribute to someone, especially a wrongdoing or crime. For example, They pinned the murder on the wrong man. This expression uses pin in the sense of "attach." [First half of 1900s]
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. To hang or secure something onto someone or something using a pin or pins: I pinned a flower on my hat. I pinned on a corsage to my sleeve.
2. To ascribe responsibility for something, especially something that is worthy of blame, to someone: The detective pinned the murder on the wrong suspect.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.