Throw in with (one) verb phrase
Take part in someone's activity or business
I am throwing in with James to start a business in Janpan.
Sooner or later you will go to jail for throwing in with scammers.
You should stop throwing in with projects of that sort.
The verb "throw" should be conjugated according to its tense.
The key element of funny speech and writing is shortness.
A successful comedian is a person who knows brevity is the soul of wit.