Meanings
Origin
Age and etymology are uncertain; it existed in the 1930s and possibly derives from a music hall catchphrase. Some commentators (e.g. World Wide Words) suggest that piffy may have originally been patience, and the rock bun was simply a type of cake.
Full word history & related roots →Cite this entry
piffy on a rock bun. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/piffy%20on%20a%20rock%20bun
“piffy on a rock bun.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/piffy%20on%20a%20rock%20bun. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “piffy on a rock bun,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/piffy%20on%20a%20rock%20bun.
Source: piffy on a rock bun on Wiktionary, CC BY-SA 4.0.