boner1

[boh-ner] /ˈboʊ nər/
noun
1.
a person or thing that bones.
Origin
1895-1900; bone1 + -er1

boner2

[boh-ner] /ˈboʊ nər/
noun
1.
a foolish and obvious blunder; stupid mistake.
Origin
1910-15, Americanism; bone(head) + -er1
British Dictionary definitions for boner

boner

/ˈbəʊnə/
noun
1.
(slang) a blunder
2.
(slang) an erection of the penis
3.
(NZ) a low-grade slaughtered animal suitable for use in pies, sausages, etc
Word Origin and History for boner
n.

"blunder," 1912, baseball slang, probably from bonehead. Meaning "erect penis" is 1950s, from earlier bone-on (1940s), probably a variation (with connecting notion of "hardness") of hard-on (1893).

Slang definitions & phrases for boner

boner

noun
  1. A blunder; error; blooper, howler (1910+ Baseball)
  2. A diligent student; bone (1900+ College students)
  3. An erect penis; bone-on, hard-on: The time you coveted your neighbor's wife, you had a big boner/ He walks around with a boner all the time (1950s+)
Related Terms

pull a boner