What is Going In?
1.
To do anything considered wild behavior or to 
They bout to get a cipher we going in.
See 
2.
to catch wreck on a microphone, as in to enter the recording booth and murder a 16 bar verse or entire song. The goal is to keep it raw, like pornstars in the 70s with no protection.
Interlude: Jadakiss (Ghostface Killah)
Ah-hah! I might gotta take my shirt off (yeah, kid...)
I like that one (uh-huh, go in, go in!)
Weezy before his verse on A Milli: "Mac I'm going in"
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Random Words:
1. 
The Scotland/Northern Ireland idiom for gagging without vomiting. 
NOTE: The idiom is *the* dry boak. It it never *a* dry boak.
It is ..