Here's a guide to popular internet slang and abbreviations commonly used by younger generations

Daily Social Communication:

IMO/IMHO = In my (humble) opinion

TBH = To be honest

ELI5 = Explain like I'm five

FYI = For your information

NVM = Never mind

THX = Thanks

IDK = I don't know

BRB = Be right back

ASAP = As soon as possible

LMK = Let me know

TTYL = Talk to you later

Expressing Emotions:

LOL = Laugh out loud (now more commonly used to express a light-hearted tone)

LMAO = Laughing my ass off

OMG = Oh my god

WTF = What the f*** (profanity - use with caution)

SMH = Shaking my head (expressing disbelief or disappointment)

ILY = I love you

TYSM = Thank you so much

NGL = Not gonna lie

Social Media Terms:

TL;DR = Too long; didn't read (used for summarizing long content)

FOMO = Fear of missing out

IRL = In real life

DM = Direct message

FB = Facebook

IG = Instagram

NFW = No way forward

IKR = I know, right?

Work-Related:

WFH = Work from home

TBA/TBD = To be announced/determined

ASAP = As soon as possible

EOD = End of day

OOO = Out of office

Usage Tips:

Start with commonly used ones: IMO, THX, FYI, ASAP

Observe how younger people use these in context

Avoid using informal abbreviations in professional settings

When in doubt, ask for clarification