sink one's teeth into

sink (one's) teeth into (something)

To start doing or become involved in something with one's utmost energy, determination, or enthusiasm. I'm always looking for a great book to sink my teeth into. I've got a new project I'd like you to sink your teeth into.
See also: sink, teeth

sink one's teeth into

Also, get one's teeth into. Become fully engaged in, as in He couldn't wait to sink his teeth into that problem. This metaphoric expression alludes to an animal biting vigorously into its prey. [Early 1900s]
See also: sink, teeth
References in periodicals archive ?
It is mostly an effective primer for further exploration into libertarian political philosophy, accessible to those not well-versed in the subject, but deep enough to sink one's teeth into.
just the kind of thing to sink one's teeth into for the man on the prowl in Eastern Europe.