Possible Clues:

• Confident of fine meals, eating these on vacation
• Jerk refused, too confident
• Not liable to trip
• Put me and others off, going around excessively up and confident
• Refuse to do jumps like a mountain goat?
• Like a mountain goat
• Not likely to fall
• Running to and fro, suede is unlikely to slip
• Descriptive of certain walkers
• Taking certain steps