cross up


Betray, double-cross, cheat, as in Jack crossed up his buddies and told the police they had broken in. Originally this usage often was put simply as to cross. [Early 1800s]

Words Nearby cross up

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

How to use cross up in a sentence