IDK
I don't know.
RSVP
The expression ‘rsvp’ comes from the French phrase, ‘Repondez s’il vous plait’ and means ‘please respond.'
TBH
To be honest.
BBQ
Barbecue
TTYL
Talk to you later.
FYI
For your information.
FAQ
Frequently Asked Questions
IKR
I know, right?
BRB
Be right back.
LMK
Let me know.
ILY
I love you.
ASAP
As soon as possible.
IMO
In my opinion.
ETC.
Etcetera
DIY
Do it yourself.
OMG
Oh my god.