A koala bear that stays on your desktop. The equivalent to bonzi buddy, oska will work as spyware and should not be downloaded.
Damn you, oska! I wish I never downloaded you!
by Michael Waldren May 23, 2004
Top Definition
Alternative spelling of Oscar, Oskar, Osker. Not very common.
"How do you spell my name?"
"No, it's Oska."
by DarkDevilDog March 27, 2015
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