Douglas beat Oldershaw 57-0 at Port-e-Chee to give them a much needed boost before the Christmas lay-off.
Andrew Evans bagged five tries as Douglas went on the rampage against struggling opponents.
There were also tries from Simon Heggs, Will Latta, Callum Carine and Bryn Snellgrove who also added six conversions.
Athletics: Sarah Astin smashes Manx 10,000m record
Athlete slashes own benchmark by nearly a minute in California
Badminton: IoM 1 win division in county championships
Island squad promoted with perfect league record this season
WTF Racing cancels road racing plans
Hillier and Herbertson were due to ride for team at TT this year
Hockey: More champions confirmed on penultimate league weekend
Bacchas C claim Ladies Division Two title (Results: 29 Mar)