Black Monday
kill the fatted calf
package tour
preceremony
half term
holigay
observe
season's greetings
prewinter
pretrip
celebrate
Christmas-like
keep
merry Christmas
statutory holiday
escape
movable feast
anti-Thanksgiving
moveable feast
make the welkin ring
self-catering
Merry Christmas and a Happy New Year
get away
caravanning
busman's holiday
exennium
jollification
vacation
festivous
playday
merrymaking
conviviality
Christmasiness
Christmassiness
Christmas present
Christmassy
holidayfic
festively
Festival of Lights
festinance
misobservance