Possible Clues:

• Do-it-yourself the wrong way, and there you have it on a plate, in a manner of speaking
• Do it yourself initially on a plate, in a manner of speaking
• Vernacular Jewish language
• Language course after a do-it-yourself setback
• Dishy Di (anag.)
• Language spoken by Jews
• I did shy away from this language of European Jews
• Hebrew-based language
• Man to work on house rejected by husband — language!
• Source of 'shtick' and 'schmooze'