from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A children's game in which a blindfolded player tries to guess who hit him.
from the GNU version of the Collaborative International Dictionary of English
- n. A childish play, in which one covers his eyes, and guesses who strikes him or his hand placed behind him.
hot + cockle, perhaps corrupted from knuckle. Compare French main chaude ("hot hand"), referring to the same game. (Wiktionary)