> It's not a plural, it's a different expression that happens to sound similar. >"bottoms up" means to turn your alcohol glass upside down, so the bottom is up

> It's not a plural, it's a different expression that happens to sound similar. >"bottoms up" means to turn your alcohol glass upside down, so the bottom is up, >a euphemism for drinking from your glass >"bottom up" is an order of operation, starting at the bottom, working your way up That makes more sense now. Thanks! Makes me wish I hadn't taken a tops-down approach to my initial reply. :)