lunk·head 
(lŭngkhĕd′)
(lŭngkhĕd′)n.
Slang
Slang
A stupid person; a dolt.
[Probably alteration of LUMP1 + HEAD.]
lunkheaded adj.
- lightheadedly
- lightheadedness
- lighthearted
- lightheartedly
- lightheartedness
- light heavyweight
- "Light Horse Harry."
- lighthouse
- lighting
- light into
- lightly
- light meter
- light mill
- light-minded
- light-mindedly
- light-mindedness
- lightness
- lightness
- lightning
- lightning arrester
- lightning bug
- lightning chess
- lightning rod
- light opera
- light out