Possible Clues:

• "Thinking about it"
• Inedible waffle
• Words after 'if' or before 'as well'
• Polite words after 'if'
• Wishy-washy reply
• Uncertain response
• Hedger's words
• 'If -- be so bold ...'
• '... or ___ be asleep' ('Blue Jay Way' lyric)
• Wishy-washy reply to "Will you?"