1
general::
Phrase(s): *in on something
1. involved with something, such as an organization or an idea; informed about special plans. (*Typically: be ~; come ~; get ~; let someone ~.) • There is a party upstairs, and I want to get in on it. • I want to get in on your club’s activities. • Mary and Jane know a secret, but they won’t let me in on it. 2. receiving a share of something. (*Typically: be ~; come ~; get ~; let someone ~.) • I want to get in on the new European business that is supposed to develop. • We will all want to get in on the scheme.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
be into Also, get into. Be interested in or involved with. For example, She's really into yoga, or Once you retire, it's important to get into some hobby you've always wanted to try. [Colloquial; mid-1900s], Also, get in on. Be or become a participant; be or become one of a group who have information. For example, Is she in on our secret? or I'd like to get in on this venture. [c. 1920] Also see BARGE IN ON; GROUND FLOOR (GET IN ON THE); IN GOOD WITH.
American Heritage Idioms