chaser
noun [ C ] uk/ˈtʃeɪ.sər/ us/ˈtʃeɪ.sɚ/
UK（饮过淡酒之后喝的）烈酒
a small alcoholic drink that is drunk after a weaker alcoholic drink
beer with a whisky chaser 喝过啤酒后接着喝的一点威士忌
US（饮过一点烈酒后喝的）淡酒，饮料
a drink with little or no alcohol in it that is drunk after a small strong alcoholic drink
whisky with a beer chaser 喝过威士忌后接着喝的一点啤酒
tequila with a grapefruit-juice chaser 饮过龙舌兰酒后接着喝的一杯葡萄柚汁