Related Clues:

• A wall of laughter
• Boundary marker? What a laugh!
• Ditch double act badly falling short
• Ditch had to be cut twice
• Feature of estate's landscape that's funny!
• Sunken boundary wall
• Sunken fence
• ''That's very funny!''
• 'Funny joke!'
• War Lord?
• Pun reaction, perhaps
• Ditch containing a fence forming a barrier between a garden and parkland
• Hidden ditch
• Ditch central member of the Scandinavian band
• Laughter concealed depression