Possible Clues:

• 'I haven't ___'
• "I haven't —" ("No idea")
• 'Get ___' (GSN show of 2020)
• Tom Petty "A rebel without ___"
• Without ___ (totally baffled)
• Dramarama "Haven't Got ___"
• 'I haven't --' ('Beats me')
• 'Get ___!' ('Wise up!')
• 'Get --!'
• Without ___ (totally lost)