Definition of coochy coo in US English:

coochy coo

(also koochie coo, coochie coo, koochie koo)

exclamation

  • Used to elicit a smile or laughter from a baby, especially in combination with tickling.

Origin

Late 19th century; earliest use found in The Oakland Tribune. Origin uncertain; perhaps imitative of a baby's gurgling; perhaps compare coo.

Pronunciation

coochy coo

/ˌkuːtʃɪ ˈkuː/