Green’s Dictionary of Slang

bung-fodder n.

[bung n.2 (1a) + SE fodder]
(US)

1. lavatory paper.

[US]L.W. Payne Jr ‘Word-List From East Alabama’ in DN III:iv 295: bung-fodder, n. Toilet paper.
[US] in DARE.
posting at cascadeclimbers.com 10 Mar. 🌐 I’ll tell ya it makes Gore-Tex look like bungfodder.

2. in fig. use, as a derog. description.

in Kansas Hist. Quarterly XIII (1944) 128: That worthless wad of out-house bung-fodder [HDAS].
posting at sportsillustrated.cnn.com 14 Aug. 🌐 I know you say outside opinions really don’t matter, but how much of this bungfodder do you use to motivate our team?
customer review at Amazon.com 29 Aug. 🌐 Bungfodder [...] This is a silly book, written in a generic and patronizing style [...] A waste of time and money.