Related Clues:

• What a fool you'd be - or may be afterwards
• Fool with this after the march
• May follow this, but what a fool you'd be, perhaps!
• Walker might make it a bad time for Caesar
• You have permission to see 13 across for this
• The charm of 19 down
• Permission is given to make merry with it
• There's a liar around the piano before 15 across
• Might for the present be said to be merry
• Got permission to be merry for a month
• Time for nutty gathering
• This might give one a monthly permit
• When to be on foot
• May come two months after this walk
• Might for the present be said to be merry then