Related Clues:

• Runs through Dublin, though it can barely walk
• An adder upper might be about to fall for this
• Going to fall for an adder upper, perhaps
• Scarcely get along as 11 across
• How after tea the beast might hardly walk
• Go like the old through Dublin
• Having no feet, an adder might begin to fall
• Having no legs, this sort of adder can hardly walk
• How the adder may be unsteady, having no feet
• Not having feet, an adder can't do this before the fall
• Adder can't even do this, having no feet (6)
• About to fall for the adder?
• Almost too old to make way through Dublin
• Having no feet, the adder can hardly walk
• Perhaps summer for an adder for 20 across walk