English slang
AFAIU
As far as I understand
DYOR
Do your own Research
FWIW
For What It’s Worth
Secondary:
For Whoever Is Wondering
From What I’ve Witnessed
FYI
For your information
HFSP
Have fun staying poor
IMHO
In my humble opinion
Usually you add this to be very polite.
Secondary:
In my honest opinion
IMO
In my opinion
Usually this is used when you know you might be wrong, so you add “IMO” as a disclaimer that it’s not an absolute truth.
IMVHO
When IMHO is not enough: In my very humble opinion
NFA
Not fade away
YMMV
Your mileage may vary
It mean that you understand people may have a different opinion or experience to yours