joey 1
/joh"ee/ , n. , pl. joeys . Australian.
1. any young animal, esp. a kangaroo.
2. a young child.
[ 1830-40; orig. uncert. ]
joey 2
/joh"ee/ , n. , pl. joeys . Brit. Slang.
1. a threepenny piece.
2. (formerly) a fourpenny piece.
[ 1860-65; named after Joseph Hume (1777-1855), English politician who favored the coinage of the fourpenny piece ]