To drink the contents of one's beverage. Used especially when alcohol is concerned. Literally to tilt the bottom of one's glass upward until it is empty.
Bottoms Up Draft Beer Dispensing System is the most efficient beer dispensing system in the world. Made in the USA and on tap in 34 countries.
Bottoms up definition is - —used as a toast or to tell people to finish their drinks. How to use bottoms up in a sentence.