Cut something with a sharp, sweeping motion, or reduced a price dramatically.
From possibly Scandinavian 'slakka' (to slacken) or Dutch 'slacken,' entered English in the 1600s. Extended metaphorically to 'reduce' by the 1900s, especially for prices.
Price-slashing actually triggers specific psychology—a 50% off sign hits differently than 'half price' because the word 'slash' creates mental imagery of something being aggressively reduced, making you feel like you're winning.
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