Lunk

10 clues
Dolt
Idiot
Dimwit
Galoot
Dullard
Blockhead
Lamebrain
Muttonhead
Clumsy one
Slow-witted fellow
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40winks
Aaaautoclub
Aalu
Abaculus
Abadwaytolunch
Abank
Abankisaplace
Abeautifulmink
Ablue
Abluent
Ablur
Ablush
Ablution
Abrahamoinkin
Abroodofthinkers
Absolut
Absolute
Absolutebliss
Absoluteceiling
Absolutegravity