drink to
phrasal verb
drank to;
drunk to;
drinking to
Definition of drink to
: to speak words that honor or express good wishes for (someone or something) and then take a drink : to make a toast to (someone or something)
We drank to their 30th anniversary. We drank to their health.
Note: I'll drink to that! means that one agrees completely with something that someone has said.
"It will be the best vacation of our lives." "I'll drink to that!"