put the make on

put the make on idiom
Make sexual advances to, as in He's always putting the make on his wife's friends. This slangy expression, dating from the second half of the 1900s, uses make in the sense of “sexual overtures.”

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.

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