я́канье

noun, neuter, uncountable

very rarely used word (top 60,000)

1.
yakanye (a phonetic phenomenon in some Russian dialects)
В центральных русских диалектах часто встречается яканье. - Yakanye is often found in central Russian dialects.
2.
egocentrism, self-importance (often expressed through excessive use of "I")
Его постоянное яканье всем надоело. - His constant "I, I, I" got on everyone's nerves.

Declension