Drinking toast (6)
(Other definitions for bottoms up that I've seen before include "Your good health!" , "down it goes!" , "Toast" , "Cheers!" , "Down the hatch!" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">drinking toast</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cheers that I've seen before include "Shouts of praise" , "Shouts of approval" , "Something said before drinking" , "Thank you; goodbye!" , "Hurrahs - it's a toast" .)