Crude humour is humour that is an attempt to describe something as being funny, but in a way that is sexual or vulgar. It references sexual or vulgar topics in an attempt to be 'humourous'.
Veg and non-veg jokes
In some parts of the world, sexual humor in particular is known as "non-veg" humor, contrasted with the "veg" jokes that are more acceptable in polite company. The use of the term "non-veg" is probably a reference to the carnal nature of sexual humor, and can be viewed in the context of the prevalence of both vegetarian and non-vegetarian dietary preferences.[1][2]
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References