throw in with

throw in with (one)

To join one's activity or enterprise; to become associated with one. You're bound to get into trouble with the law if you throw in with that shady bunch. I've got capital to invest if you let me throw in with you on this.
See also: throw
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

throw in with someone

to join with someone; to join someone's enterprise. I will throw in with you and we can all go hunting together. Do you mind if I throw in with you?
See also: throw
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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