A person that has a lack of common sense.

May be expressed as " not the brightest bulb on the christmas tree"
Ex) What a "tater tard" she just passed out on the urinal !!!

Carl: O wut securities coming, your done
Ferg: No, way ill just say this is my cone baby
Carl: You tater tard that won't work
Ferg: I got over the fact my baby's got a cone head he should too!

All people in scary movies that walk toward the presence of imminent danger

Your friend you just said wasn't the sharpest tool in the shed
by Cone Baby November 2, 2009
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