Christmas come early

as they come

As it is possible to be.

be a hundred years too early

To be so immature and unprepared as to have no hope of achieving an accomplishment.

blow to kingdom come

To totally destroy (something); to annihilate or wipe out (something).

bright and early

(Very) early in the morning.

call it an early night

To go to bed or cease one's activities earlier in the evening than usual.

cancel someone's Christmas

To kill or destroy someone.

Christmas graduate

A freshman who drops out of college at the end of the first semester.

Christmas tree bill

A bill consisting of many riders that attracts many, often unrelated, floor amendments, which may provide special benefits to various groups or interests.