What's a 'headless no-brainer'?

You probably use the term ‘no-brainer’ from time to time. Earlier today Alan mentioned to me the expression ‘a headless no-brainer’. Now I wonder if there is any idiom that tops a headless no-brainer.[YSaerTTEW443543]

TOEIC short conversations: Inviting participants for a customer research panel[YSaerTTEW443543]

How charming. :?
Feel like sharing with us what it was that Alan classified as a headless no-brainer? :wink:

By the way, did Alan indicate to you that ‘a headless no-brainer’ is a fixed expression?
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Yet I thought, the middle ages´ expression “slubberdegullian druggel” were the most rude insult I ever knew in English. :shock:

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I’m still waiting with bated breath for Torsten to answer my questions. :wink:
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