honey wagon

noun, Facetious Older Use.
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 rest room.
Also called honey truck.
Origin
1910-15
Slang definitions & phrases for honey wagon

honey wagon

noun phrase
  1. A manure wagon or manure spreader (1915+)
  2. A garbage truck (WWII Army)