Three word game ...

[172traindriver]

hook it up

 

[welsh dragon]

To mains water

 

[172traindriver]

start sucking then

 

[classic33]

pump won't start

 

[welsh dragon]

Where's the wrench

 

[172traindriver]

need the monkey

 

[welsh dragon]

And organ grinder

 

[classic33]

not forgetting said

 

[172traindriver]

running clean water

 

[welsh dragon]

In the bathtub

 

[172traindriver]

then get in

 

[welsh dragon]

Where's the loofah

 

[172traindriver]

on the side

 

[welsh dragon]

So it is

 

[172traindriver]

get in then