The lunfardo incorporated this Germany in its sense of "dying". The origin has several turns, in a late Latin palmare was "slapping, giving a palm blow", which was later interpreted as "giving something by force, by stroke and by surprise", where "give" can also be "deliver". The next version was to 'pat' her for "delivering life" (which was over- and her consequent 'palmar' for 'dying' even if it was not violently or unexpectedly. The meaning of "having to pay in hand (a debt), losing money" was used little because of the popularity that reached the previous one.
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