tumble to

present singular third person tumbles to · participle present tumbling to · participle past tumbled to · past tumbled to

1. informalTo discover or understand something.

   He finally tumbled to our secret.

   1 more example

   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; […]

   1851, Henry Mayhew, London Labour and the London Poor