Possible Clues:

• Desert wife for husband in great urgency
• Refuse to have it around the middle, by the sound of it
• Sounds as if what's in the middle goes down the drain
• Rubbish found in desert
• Unwanted material
• Refuse the middle, say
• Spend to no purpose
• Fail to use
• Asians at melee meet tsarevna
• Cook a stew that's not wanted