1) BSA groups 2) Covers a house on Halloween 3) Covers with Charmin 4) Covers with some rolls 5) Decorates in a prankish way 6) Decorates in Cottonelle 7) Decorates on Halloween 8) Decorates with Charmin 9) Defaces with rolls 10) Engages in Halloween mischief 11) Festoons with bath tissue 12) Local government divisions Found on https://www.crosswordclues.com/clue/tps