English
Etymology
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).
Noun
en-noun|es
- slang A toilet bowl.
#: 2005: DON'T trade the tour bus for the porcelain bus. You can eat, drink and be merry â�� not sorry â�� when overseas. — Escape Magazine travel advice 1
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