One who’s head resembles a large, round, fruit or vegetable such as a pumpkin or a huge tomato.

This individual is unable to regulate the amount of saliva their mouth produces, causing them to drool uncontrollably.

It is likely this individual is also dimwitted.
"Why can't that guy figure it out?"
"Cut him some slack. He's a drooling vegetable."
by Sean Courtney January 20, 2006
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