"Inventive Holiday Ways" joke

Since Santa knows if we've been bad or good, here are some, what
shall we say?. .. "inventive holiday ways" to call someone a nit
wit, and not upset Santa.
- A couple of shingles short of a full roof.
- A few pies short of a holiday.
- A few too many lights out in his Christmas tree.
- All wax and no wick.
- Batteries not included.
- Bright as Alaska in December.
- His chimney's clogged.
- He got his brains as a stocking filler.
- Not the brightest bulb on the Christmas tree.
- A few presents short of a full sleigh.