skidoo · verb, noun1
Uncertain. Perhaps related to skedaddle. Attested since the early twentieth century.
skidoo · noun, verb2
See Skidoo.
Skidoo · noun, verb3
From the trademark Ski-Doo, originally an erroneous rendering of "Ski-Dog" that was adopted as the official brand name of the first snowmobile.
Etymology from Wiktionary, CC BY-SA 4.0.