A lunk head is (usually male) someone who lacks creativity, is very slow on the uptake on understanding situations, is not well read or well informed politically or intellectually, is most likely barely literate, has not desire to educate themselves, no intellectual activity, has no ability to plan for the future, and has very little perception skills, if they do read anything, it is usually a low level tabloid newspaper, has no hobbies outside of watching televison. Possibly half the male population fits this category. Often overweight.
This is the guy that sits in front of you in a movie theater with a head so big that you cant see the movie screen.
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