buttkerchief 

/'bʌ.kɚ.t͡ʃɪf/ "buckerchiff"

1. Any cloth used to clean feces from the anus, or any garment so employed.

Farewell, dear sock, my brave, sweet buttkerchief!

buttkerchief by aBoxOfSigns November 20, 2022

bumkerchief 

A special type of toilet tissue. Comes in individual sheets usually from a dispenser. Forces the wiper to use lots of sheets at once to ensure proper hand coverage.

Oh crap, this hotel only has bumkerchiefs! I’d better make sure they have lots of soap.

bumkerchief by Smellysalmon July 9, 2023