lummox /lumˈəks/ (informal)

A stupid, clumsy person

• crumpled
• crumples
• crumple zones
• crumplier
• crumpliest
• crumpling
• crumplings
• crumply
• crumps
• crumpy
• crunch
• crunched
• cruncher
• crunchers
• crunches
• crunchier
• crunchiest
• crunchily
• crunchiness
• crunchinesses
• crunching
• crunchy
• crunk
• crunked
• crunkle