Meaning of “off your trolley” in the English Dictionary

british dictionary

"off your trolley" in British English

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off your trolley

UK informal

behaving in an extremely unusual way or doing something very silly:

Anyone who saw us doing this would think we were off our trolleys.
Have you gone completely off your trolley? You'll never get away with it!

(Definition of “off your trolley” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)