Foulmouthed (adjective)

Using obscene or vulgar language, especially in an excessive or aggressive manner.

Origin:

Derived from 'foul' meaning dirty or obscene, and 'mouth' meaning the vocal orifice.

Examples:

1. The foulmouthed drunk was removed from the bar for causing a disturbance.
2. The foulmouthed rapper's lyrics were controversial and often offensive.
3. The foulmouthed politician was criticized for his inappropriate language.
4. The foulmouthed customer was banned from the store for using abusive language towards the staff.
5. The foulmouthed comedian's stand-up routine was filled with explicit language and vulgar jokes.