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Yomi
おやしらず
Rōmaji
oya shirazu
Type
idiom
Literal Meaning
not to know parents
Meaning
wisdom tooth
Additional Info
According to one hypothesis, the name originates from the fact that wisdom teeth usually emerge very late (e.g. in one’s early 20s), and in the olden days, parents would pass away before seeing their children’s wisdom teeth.
Example
親知らずが痛い
My wisdom teeth are hurting