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Common Text and Chat Abbreviations Explained

These abbreviations show up constantly in texts, group chats, and comments, and most people have absorbed their meanings without ever seeing them explained outright.

LOL β€” laughing out loud

Originally meant literal laughter, but in modern usage it very often just softens a message's tone or signals light humor, even when nobody is actually laughing.

BRB β€” be right back

Used to signal a short, temporary pause in a conversation, typically for something quick rather than an extended absence.

IMO / IMHO β€” in my opinion / in my humble opinion

Both flag that a statement is a personal view rather than a stated fact; IMHO adds a note of (often only nominal) humility.

TBH β€” to be honest

Signals that the speaker is about to share a candid or blunt opinion, sometimes one they expect the reader might not want to hear.

OMW β€” on my way

A quick status update meaning the sender has already left and is en route, commonly used to reassure someone who is waiting.

IDK β€” I don't know

A simple shorthand for genuine uncertainty, used the same way its full phrase would be in casual speech.

NVM β€” never mind

Signals that the previous point, question, or request is no longer relevant and can be dropped.

ICYMI β€” in case you missed it

Commonly used before resharing or referencing something, flagging that it may be new information to the reader.

TBD β€” to be determined

Marks a detail, like a time or location, as not yet finalized, commonly used in planning messages and calendar invites.

Born from character limits and slow typing

Much of this shorthand traces back to early SMS text messages, which historically had strict character limits, and to early instant-messaging culture, where typing speed and screen space were at a premium. Abbreviating common phrases became a practical habit that stuck around long after those technical constraints eased.

Meaning can drift from the literal words

Some abbreviations have drifted well past their literal meaning β€” 'LOL' in particular is frequently used purely as a tone-softener or filler rather than to report actual laughter, which is a common source of confusion for non-native English speakers reading it literally.

Context decides whether it belongs

These abbreviations are calibrated for casual, low-stakes communication like texting and chat apps. In professional emails, formal documents, or communication with someone you don't know well, spelling things out is generally the safer, more polished default.

Frequently Asked Questions

Is it okay to use these abbreviations in a work email?

Generally not for formal or first-contact professional communication β€” these are casual-register shorthand best suited to texting, chat apps, and informal messages, even in workplaces with a relaxed internal chat culture.

Do these abbreviations mean the same thing everywhere?

Mostly yes for widely used ones like LOL or BRB, but usage and popularity can vary somewhat by region, platform, and generation, and new abbreviations constantly emerge in different online communities.

What is the difference between IMO and IMHO?

They function the same way β€” flagging a personal opinion β€” but IMHO explicitly adds "humble," a small rhetorical softener that IMO does not include.

Where did texting abbreviations originally come from?

Most trace back to the character limits of early SMS text messages and the fast-paced culture of early instant-messaging platforms, where abbreviating common phrases saved both time and space.