noun; a person whose brain is so small or one who shows extreme stupidity that his or her brain/intellect is compared to a skittle.
by Thai Ho April 21, 2006
one who is completely retarded but somehow still thinks they are intelligent. Also may tend to blink a lot.
Tradd is dumb as shit. He is skittle brained.
by Tron55 December 10, 2007