slip one's trolley

slip (one's) trolley

1. slang To become insane; to go mad. Usually used jocularly or sarcastically. You've slipped your trolley if you think that plan will work! My poor granny is starting to slip her trolley. She called me Darlene the other day—that's the name of her dead cat!
2. slang To become uncontrollably angry. My parents are going to slip their trolley if they find out I took the car without asking! Cool it, man—don't slip your trolley. We'll find a way to get it working again.
See also: slip, trolley
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

slip one’s trolley

tv. to become a little crazy; to lose one’s composure. (see also off one’s trolley.) I was afraid I would slip my trolley.
See also: slip, trolley
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.