English Expressions for the Holiday Season

Cheers!  Raise your glass and toast your glasses (clink, clink) and say "Cheers!"
Bottom's up! When toasting, and if you want your friend to drink everything in his glass, you say "Bottom's up!!

Christmas comes but once a year.

Prov. Since Christmas only happens once a year, we should treat it as a special time by being good to others or by indulging children