have ants in one's pants
have ants in the/(one's) pants
1. To be unable to sit still, due to anxiety, excess energy, or impatience. The kids really have ants in the pants today, so I'm going to take them to the playground. A: "Why is Carrie pacing?" B: "She's waiting for her doctor to call, so she's had ants in her pants all day."
2. To be interested in or in pursuit of sexual activity. You've been single for a while now—don't you have ants in the pants yet?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
have ants in one’s pants
tv. to be nervous and anxious. (see also antsy. Have got can replace have.) All kids’ve got ants in their pants all the time at that age.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.