Top Definition
A person who is small, smart, and quite energetic. However, sometimes can make scary sounds and trick one into thinking different things. Mysterious and cute, watch out. Will sing songs.
Annika: Wow who was that, that just went by super fast and made a scary sound?
Helen: It must be an Asca!
#energetic #cute #small #evil #lovely
by Annika Heegaard October 15, 2013
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