Three word game ...

[classic33]

pot. Unable to

 

[Ming the Merciless]

Smoke it freely

 

[classic33]

within the confines

 

[Ming the Merciless]

of the yellow

 

[classic33]

cross hatched box

 

[Ming the Merciless]

Submarine under the

 

[classic33]

surface of the

 

[woodbutcher]

veneer of civilisation

 

[classic33]

that was showing

 

[woodbutcher]

wear and tear

 

[classic33]

above the expected

 

[Oldbloke]

rate of discharge

 

[classic33]

for the navy

 

[woodbutcher]

blue sensible knickers

 

[classic33]

, often seen down