Meanings
plural porcelain buses
- slangA toilet bowl.
With a gut-wrenching heave, I grasped the steering wheel of the porcelain bus and shouted at the top of my voice for 'Hughie' to come and sort me out.
2011, Fred Itfru, The Beer and I, page 10
Origin
From it being imagined that when gripping the sides of the bowl while vomiting into it that it's like a bus driver gripping the steering wheel of a bus (a bus steering wheel being roughly horizontal, as opposed to a car which has it up at an angle).
Full word history & related roots →Cite this entry
porcelain bus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/porcelain%20bus
“porcelain bus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/porcelain%20bus. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “porcelain bus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/porcelain%20bus.
Source: porcelain bus on Wiktionary, CC BY-SA 4.0.