Related Clues:

• Vigour, energy
• Product from 19 Across
• Breakfast syrup source
• Maple syrup, essentially
• Future syrup
• It runs slowly in the woods
• Undermine person with little sense
• Drain, as of resources
• Tree gunk
• Easily duped sort
• Scammer's target
• Pancake syrup source
• Maple stuff
• Spirit juice?
• Maple tree output