put on an act


Pretend, especially in order to deceive; also, show off. For example, We were afraid Charlie had hurt himself, but he was just putting on an act, or We know you're a good swimmer—stop putting on an act. [c. 1930]

Words Nearby put on an act

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.