tumble to

English

Verb

tumble to (third-person singular simple present tumbles to, present participle tumbling to, simple past and past participle tumbled to)

1. (informal) To discover or understand something.

   He finally tumbled to our secret.

   • 1851, Henry Mayhew, London Labour and the London Poor:

     Speaking of this language, a costermonger said to me: "The Irish can't tumble to it anyhow; the Jews can tumble better, but we're their masters. Some of the young salesmen at Billingsgate understand us, — but only at Billingsgate; […]