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.
2026 IoM Triathlon Championships being held today
Finale to season to take place in Ramsey
Ten-man FC Isle of Man secure late draw against Burscough
Ravens battle back to share spoils at The Bowl
Hockey: New pre-season tournament taking place today
Tim Leeming Charity Shield hoping to bring together those connected with the sport
Rugby: First match of new season to take place today
Nomads and Vikings to meet in Manx Shield at QEII