Possible Clues:

• What one did with 8 down
• Did a jig, almost comic, going round the church
• Took steps in time
• Did the Electric Slide, say
• 17 across started to be on the ball, perhaps
• Avoided wallflower status
• Gyrated, perhaps, like Powell characters in divine surroundings of a new church
• Tangoed, e.g.
• What your drunk self did on floor
• Did the rumba, say