- go in
-
intransitive verb
Date: 1812
1. to make an approach (as in attacking)
2.
a. to take part in a game or contest
b. to call the opening bet in poker ; stay
3. of a celestial body to become obscured by a cloud
4. to form a union or alliance ; join — often used with with <asked us to go in with them>
New Collegiate Dictionary. 2001.