Three word game ...

[welsh dragon]

Behind the bikeshed

 

[172traindriver]

sneaking up upon

 

[welsh dragon]

Unwary unsuspecting persons

 

[jonnysnorocket]

To pinch their

 

[welsh dragon]

Rather large bums

 

[172traindriver]

in tight lycra

 

[welsh dragon]

And getting slapped

 

[172traindriver]

for looking closely

 

[PeteXXX]

up her nose

 

[welsh dragon]

And her shorts

 

[Blue]

ripped up the

 

[PeteXXX]

middle, showing her

 

[welsh dragon]

Sides and back

 

[PeteXXX]

yet hiding her

 

[172traindriver]

large and hairy