'Shuǎi mài' literally combines 'shuǎi' (to fling, discard, or get rid of forcefully) and 'mài' (to sell). Together, they convey the idea of selling goods rapidly and at steep discounts—often to clear inventory quickly, cut losses, or make space. It carries a strong connotation of urgency and sacrifice, implying the seller is willing to part with items at unusually low prices, sometimes even below cost.

This term is commonly seen in retail contexts: storefront signs, online shopping promotions, and market announcements. Unlike neutral terms like 'discount sale', 'shuǎi mài' suggests a temporary, high-intensity event—often tied to seasonal changes, store closures, or overstock situations. It’s informal but widely understood across age groups and regions, and frequently appears in spoken and written Chinese alike, especially in advertising and casual conversation about bargains.