What do all these acronyms mean?

[loser41]

I really only know CTB, Googled it and now it's almost part of my regular vocabulary.
What does N and things like that mean? I tried to look it up but didn't see anything

 

[trilogy]

I really only know CTB, Googled it and now it's almost part of my regular vocabulary.
What does N and things like that mean? I tried to look it up but didn't see anything

N is nembutal, if you have any others I'll be happy to answer them.