Meaning

2 senses
  1. (US, slang)A river craft outfitted with a high-pressure water cannon capable of destroying enemy encampments.

  2. (humorous, slang, vulgar)A rude, obnoxious, or contemptible person.

Forms

plural: douche boats
Singulardouche boat
Pluraldouche boats

regular

See also

neighbours in the dictionary
douche boat — meaning, examples, forms, synonyms | Krumeto