This is the 8163rd most frequent Russian word.
локни
"Локни" is not a standard Russian word. It might be a typo, a regional term, or informal usage. Can you clarify or provide context?
Here, 'локни' describes the appearance of hair curls as a noun.
У него яркие локни спускаются на плечи.
He has bright curls flowing onto his shoulders.
The word 'локни' is used here in the imperative mood, instructing someone to take an action.
Локни свою тетрадь, чтобы она не испачкалась.
Fold your notebook to prevent it from getting dirty.
In this context, 'локнились' refers to the action of hair naturally forming curls.