impactful, below-the-line, etc.

[W Brewer]

RE: buck or buck knife or buck knife handle as poker dealer indicator.
Seems to me, whoever is holding the deck tells you who the dealer is. Why
would you need any further indication? (I.e., is the "buck" in poker a mere
folk-etymology, or is it actually attested in use?)
{The buck stops here} sign = there is no further bucking (i.e. evasion) of
responsibility at this desk.

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