off (one's) chump

(redirected from off his chump)

off (one's) chump

Crazy or insane. He must be off his chump to pay that much money for that old car. Am I completely off my chump for starting a business in this economy?
See also: chump, off

off your chump

crazy. British informal
The literal sense of chump meaning ‘a broad, thick block of wood’ led in the mid 19th century to its humorous use to mean ‘head’, with the implication of ‘blockhead’.
See also: chump, off
References in periodicals archive ?
But I think Kenny Dalglish is off his chump in wanting to sue UEFA.
Personally, I think the old rocker would have been off his chump not to have arranged a deal.
He must have been off his chump to imagine that he could get away with it.