'Crazy bone' definitions:

Definition of 'crazy bone'

noun

A point on the elbow where the ulnar nerve passes near the surface; a sharp tingling sensation results when the nerve is knocked against the bone; "the funny bone is not humerus" [syn: funny bone, crazy bone]

Definition of 'Crazy bone'

From: GCIDE

Crazy \Cra"zy\ (kr[=a]"z[y^]), a. [From Craze.]
1. Characterized by weakness or feebleness; decrepit; broken; falling to decay; shaky; unsafe. [1913 Webster]
Piles of mean andcrazy houses. --Macaulay. [1913 Webster]
One of great riches, but a crazy constitution. --Addison. [1913 Webster]
They . . . got a crazy boat to carry them to the island. --Jeffrey. [1913 Webster]
2. Broken, weakened, or dissordered in intellect; shattered; demented; deranged. [1913 Webster]
Over moist and crazy brains. --Hudibras. [1913 Webster]
3. Inordinately desirous; foolishly eager. [Colloq.] [1913 Webster]
The girls were crazy to be introduced to him. --R. B. Kimball. [1913 Webster]
Crazy bone, the bony projection at the end of the elbow (olecranon), behind which passes the ulnar nerve; -- so called on account of the curiously painful tingling felt, when, in a particular position, it receives a blow; -- called also funny bone.
Crazy quilt, a bedquilt made of pieces of silk or other material of various sizes, shapes, and colors, fancifully stitched together without definite plan or arrangement. [1913 Webster]