honey wagon

American  

[huhn-ee wag-uhn] / ˈhʌn i ˌwæg ən /

noun

Facetious Slang.

1. a wagon or truck for collecting and carrying excrement or manure.

2. a manure spreader, as on a farm.

3. a truck or trailer containing several toilets and used as a mobile restroom.

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Etymology

Origin of honey wagon

First recorded in 1910–15

Example Sentences

When Japan’s capital first won the right to host the Games, in 1959, it suffered from a desperate shortage of housing and functional infrastructure – and the lack of flush toilets meant most waste had to be vacuumed daily out of cesspits underneath buildings by “honey wagon” trucks.

From The Guardian

The two functions, fortunately, were performed by different vehicles, the sewage carrier being known as the honey wagon.

From Time Magazine Archive