upset (one's) plans(redirected from upsets one'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.