I don’t want to create an exhaustive list, but just the weirder ones.

AFAIK – As Far As I Know

AMA – Ask Me Anything

ELI5 – Explain Like I‘m 5

FOMO –  Fear Of Missing Our

HIFW – How I Felt When

IANAL – I Am Not A Lawyer

ICYMI – In Case You Missed It

JSYK – Just So You Know

NSFW – Not Safe For Work

YMMV – Your Mileage May Vary