come off it

come off it idiom
Stop acting or speaking foolishly or pretentiously, as in Oh come off it! you're no smarter than they are. This term, often used as an imperative, dates from the late 1800s, when it was usually put simply as come off.

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.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.