skidoo

noun

1. A snowmobile.
2. (attributive, obsolete)A light that flashes on and off to make it more eye-catching.

   “More than 1,000 winking or "skidoo" lamps will be hung in the vines and shrubbery on cither side of the Flirtation Path and they will wink and blink from 7 o'clock in the evening until midnight.”

   “Important among the devices which utilize these differences in expansion are the automatic fire alarm, the thermostat and the mechanism for operating the "skidoo" lamp used in signs.”

3. (alt-of)Alternative letter-case form of Skidoo (“snowmobile”).

   “From the manufacture of snowgoing equipment such as snow cats, it diversified first into that of snowmobiles (and later skidoos, or water scooters), then into railcar and locomotive manufacture, and finally into the manufacture of small (less than 100-seat) commercial aircraft.”

   “He couldn't have seen Peter's skidoo, but he must have seen Peter climbing up the ridgeline. He must have heard Peter's approach on the skidoo.”

verb

1. (alt-of)Alternative letter-case form of skidoo: To use a snowmachine
2. (Canada, US, informal, intransitive)to depart, especially to depart quickly

   “There goes the supper gong! Annie, you and Mary had better skidoo out of this room or you'll get so many demerits you won't be out of bounds to go home in June.”

3. a nonsense word, often an expression of disrespect

   “Then skidoo, little girl, skidoo. / 23 is the number for you.”

   ““Twenty-three skidoo!” was an all-embracing, meaningless, smart-alecky comment of the day, something in essence like one of its grandchildren, “So's your old man!””

4. (Canada, US)To drive or ride on a snowmobile

   “On several evenings, after Glen had finished his work and returned to Resolute, we skidooed out to the Parcol and sat in wait for ‘Sea Biscuit’.”

   “Even skidooing on the farm in my younger years was not that much fun though I recall one time after a storm, I had gone skidooing and I hit some unexpected snow drifts that sent that skidoo flying into the air one minute and plummeting back down the next.”