Something other than a 12 Days parody? Proud of me? Here's a Deck the Halls parody, sung by the darling Paddywhack!

Deck the halls with Dungbombs galore

Fa la la la la la la la la

Minnie sends us to Dumbledore

Fa la la la la la la la la

Riley says he looks like Santa

Fa la la la la la la la la

Give no presents to Amanda

Fa la la la la la la la la

Mistletoe over James and Lily

Fa la la la la la la la la

Angry redhead's gonna kill me

Fa la la la la la la la la

Peter wants his figgy pudding

Fa la la la la la la la la

And a stocking full of goodies

Fa la la la la la la la la

Remus got no books for Christmas

Fa la la la la la la la la

He needs to go pranking with us

Fa la la la la la la la la

Now that the snow melts away

Fa la la la la la la la la

Padfoot bids you happy holiday!

Fa la la la la la la la la