Go in cold
To go to social gathering or place without knowing anyone there.
How about we go to the corner bar. nah, don’t want to go in cold
going cold
When you get out of a relationship and ate suffering from draw backs. Depression,anger, etc.
I got out of a relationship and I'm going cold.
to go cold turkey
to suddenly and completely stop doing something, esp. a bad habit
My new roommate is intolerant to tobacco, so I had to go cold turkey. It's awful!
go cold turkey
quit something suddenly
go cold turkey :Many people who attempt to quit smoking do so by going cold turkey rather than by gradually cutting down.