expression, adverb, adverb taking the 'to' particle, noun which may take the genitive case particle 'no'
pesteringly; badgeringly; pressing hard
Mimetic expression for repeatedly urging, pestering, or pressing someone to do something, often with a nagging or insistent tone. Commonly used with verbs like 言う or 催促する.
彼はやいのやいのと催促してきた。
He kept pestering me for it.
やいのやいの言
I was badgered into accepting it.