Colloquialism
Colloquial Language
noun, の adjective
ぞくご
俗 (ぞく) Slang, Common, Vulgar, Local Manners, Local Customs, Mundane
俗語 (ぞくご) Colloquialism, Colloquial Language
民俗 (みんぞく) Folk Customs, Ethnic Customs
Slang 俗 is Slang for Colloquial Language 俗語