Possible Clues:

• Spooner's small Scottish song room
• It may be made up in a general direction
• Long to be fishy in the manner of room
• Play, or shelter on course
• Changing course, fish rises to get room to manoeuvre
• Place containing tiny back room
• Some freedom allowed for fish picked up on route
• Space in shelter by road
• Room to manoeuvre in river channel
• Latitude for song about piss-up