upset (one's) plans(redirected from upset the/somebody's plan)
upset (one's) plans
To ruin, thwart, or interfere with one's plans, intentions, or goals. These new regulations could upset our plans of expanding into the European market. I had always dreamed of moving to Japan to teach English, but the pregnancy upset my plans a bit.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
upset someone's plans
Fig. to ruin someone's plans. I hope it doesn't upset your plans if I'm late for the meeting. No, it won't upset my plans at all.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.