slangy

He offers to drop the price for the uranium from €100 million to €20 million in slangy, uneducated Russian.
A New Nuclear Scare Rocks Eastern Europe|Owen Matthews, Anna Nemtsova|June 30, 2011|DAILY BEAST
The subjects themselves seem to call forth a cheap, slangy vocabulary and the vulgar phrases of sporting life.
English: Composition and Literature|W. F. (William Franklin) Webster
Bill, to use a terse but slangy term, proceeded to go up in the air.
Radio Boys Loyalty|Wayne Whipple
The language they use is not only ungrammatical but oftentimes both slangy and profane.
The Mother and Her Child|William S. Sadler

Akin to this is fashionably slangy conversation concerning the latest thing in books, magazine articles, trivial plays.
A Girl's Student Days and After|Jeannette Marks
She was direct of speech, frank, and often slangy when slang best expressed her meaning.
The Boss of Wind River|David Goodger (goodger@python.org)