1. slangy - constituting or expressed in slang or given to the use of slang; "a slangy expression"; "slangy speech"
   Antonym: formal (indirect, via informal)
   

Slangy

Part of speech: Adjective

Definition: Informal or colloquial in style or language; characteristic of slang.

Example sentences:

1. She spoke in a slangy manner, using phrases that only her close friends understood.
2. The song's lyrics are full of slangy expressions that appeal to younger audiences.
3. His writing style is informal and often includes slangy words and phrases.

Related products: Slang Dictionary, Slang Usage Guide, Slang Thesaurus