phrase Internet Slang

LMK

/ˌɛlɛmˈkeɪ/ · phrase · informal

'Let me know' — the go-to sign-off when you're waiting on someone's answer.

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Definitions

1

A passive-aggressive nudge when overused, signaling you're still waiting and they haven't replied.

“'still need that file... lmk.'”
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2

A soft, no-pressure close to a message, leaving the ball in the other person's court.

“'no rush, just lmk whenever.'”
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3

Short for 'let me know.' A request for someone to update you or give you an answer when they have one.

“'lmk what time works for you.'”
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LMK In A Sentence

lmk if you're still coming tonight
prices went up, lmk if you still want in
lmk when you land and i'll grab you

Origin & Usage

A straightforward initialism of 'let me know,' which spread through email and texting as a quick, casual way to request a follow-up.

Variants let me knowlmkkkml (rare)
Tags #acronym#texting#american

People Also Ask

What does lmk mean in texting?

It means 'let me know.' It asks the other person to reply or update you when they can.

Is lmk pushy?

Not by itself — it's usually polite and low-pressure. But sending 'lmk' repeatedly can come off as impatient.

How do you reply to lmk?

Either answer their question now, or acknowledge it with something like 'will do' or 'k I'll let you know.'

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