"___ the problem?"

• "--- new?"
• Start of a query to a practical tailor
• Lynyrd Skynyrd's "___ Your Name"
• ''___ New Pussycat?''
• "____ Going On?"
• "___ more ..." (besides)
• "__ the big deal?"
• "___ Up, Doc?": 1972 film
• "___ My Line"

Wiktionary Word definitions in Wiktionary
n. (plural of what English) Used as a stand-in to collectively pluralize arbitrary instances of things. Often used along with whys, hows, etc.