boner
noun
[ ˈbəʊnə ]
• an erection of the penis.
• a stupid mistake.
• "unfortunately somebody pulled a major boner on this one"
• a low-grade farm animal, with meat only suitable for use in sausages or other processed products.
Origin:
mid 19th century (originally school slang, in the now obsolete sense ‘a blow to a bony part of the body’): from bone or (in boner (sense 2)) bonehead, + -er1.
