What are some acronyms that you use or would like to use?

I like to go anti-acronym and use “Whiskey-Tango-Foxtrot”

I use PITA and LMK (let me know).

I’m going to have find a way to do some SEO on my Facebook page, now that I know it means Search Engine Optimization.

Otoh, idk… I’ll brb if I think of more. ttfn

Well, they aren’t so much favorites as bits, but IDK and OIC do both lend themselves to the sort of “Who’s On First” comedy gold.
TTFN – Because T-I-Double Gah-Er used it

I use BRB in a double-purpose way too.
Be right back
or
Bath room break

One from my days in IT support: PBKAC – Problem Between Keyboard and Chair

@meiosis I enjoy the ID10T