be off (one's) chump Идиома
chump
1. derogatory term for a fool, a disliked person
2. the head
3. displeasing, stupid
Off your chump
(UK) If someone is off their chump, they are crazy or irrational.
chump change
chump change A trivial sum of money, a trivial matter. For example,
Dave was sick of working for chump change; he wanted a decent salary, or
Don't put that on the agenda; it's chump change. This expression uses
chump in the sense of “a fool or sucker who should be ignored.” [Slang; 1960s] Also see
chicken feed.
be off (one's) chump
To be crazy. In the UK, "chump" is a argot appellation for "head." You're off your chump if you anticipate that plan will work.Learn more: chump, off
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