millegi õigsust olematuks tegema, millegi paikapidamatust tõestama,põhja ülespidi keerama või nõu tugevasti kallutama, eriti sel teel (tühjaks) kallama,(joomise kohta)
inglise keelesto overturnto nullify something, to prove something to be untrue, to turn the bottom up, or to tilt the advice strongly, especially by (empty) pouring it, (about drinking)
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