A "Ski-Doo" is a snowmobile brand from Bombardier, often used to mean any snowmobile. The term is common in Canada and winter areas, as both a noun and a verb.
ski doo
Armand slowed down promotion of the Ski-Doo line to prevent it from dominating the other company products, while still allowing him to dominate the snowmobile industry. Source: Internet
Bombardier BR100+ Groomer, mid engine, hard cab model The Ski-Doo snowmobile was originally called the "Ski-Dog" because Bombardier meant it to be a practical vehicle to replace the dogsled for hunters and trappers. Source: Internet
But Armand was reluctant to focus too much on the Ski-Doo and move resources away from his all-terrain vehicles. Source: Internet
When we came to Lanigan I bought a ski-doo and many of my patients might remember I used to go to emergencies on my ski-doo and park in front of the hospital. Source: Internet
The bikes were shelved but technology tweaks re-emerged in the company's Ski-Doo snowmobiles (beginning with the 1989 model year Ski-Doo Mach 1). Source: Internet
Ski-Doo has put a 600cc engine in the new Gen 4 chassis. Source: Internet