lava·tor·ial
adjective/ˌlævəˈtɔːriəl/
/ˌlævəˈtɔːriəl/
(especially British English)- lavatorial humour refers in a rude way to parts of the body, going to the toilet, etc.
粗俗的，下流的（指粗俗地谈论身体部位或上厕所等） Oxford Collocations DictionaryLavatorial is used with these nouns:- humour