What That Mean

What That Mean

What That Mean explains slang, numbers and acronyms in plain English.

See a word, a number or an acronym and wonder “what that mean” — or “what dat mean”? The plain-English answer is one search away.

Slang·Angel Numbers·Acronyms

444

an·gel num·ber · noun


A repeating number sequence that people often read as a sign of protection and of being exactly where you need to be.

“I keep seeing 444 on license plates — what that mean?”


see also 1111 · 222 · 777

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Slang

Trending words, decoded.

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Angel Numbers

Repeated numbers and what people read into them.

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Acronyms

SMH, TLDR, FOMO — every shorthand, spelled out.

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How What That Mean explains each term

Every entry on What That Mean starts with a plain-English definition — no jargon, no “it depends” hedging. Then where the word or number came from, because origin usually explains the tone it carries today. Next, when to actually use it: the settings where it lands well, and the ones where it doesn’t. Every entry includes at least three real example sentences, written the way people actually talk, plus the most common misuse we see — so you don’t learn the word the wrong way first. Definitions are written by our editors, checked against how the term is used in the wild, and dated. The next time a word leaves you asking what that mean, the answer is one page away.

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Questions about What That Mean

What does “what that mean” mean?
“What that mean” is an informal way to ask for an explanation of a word, message or situation. In standard written English, the question is “What does that mean?” Our name comes from that everyday request for a clear explanation.
What can I find on What That Mean?
Search for slang definitions, number interpretations and acronym expansions. Each entry explains the meaning, where it comes from, when to use it and common mistakes, with example sentences to show how it works in context.
What is an angel number?
An angel number is a repeating number sequence — like 444, 222 or 1111 — that a person keeps noticing in daily life. In modern spirituality, each sequence is believed to carry a specific message, such as encouragement, patience or a nudge toward change. Our number entries explain what each sequence is commonly believed to mean and where those interpretations come from.
Can slang words be offensive?
Yes, some can. Slang often borrows from in-group language, and a word that feels friendly in one community can be dismissive or offensive in another. Every slang entry on What That Mean includes a tone note that flags when a word is edgy, dated or risky to use, so you can make an informed choice before you use it.
When should I use acronyms like SMH or TLDR?
Acronyms fit casual, fast-moving contexts — texts, chats, comments, social posts. In formal writing or professional email, most readers still expect the full phrase. Each acronym entry includes a “when to use it” note covering the settings where it lands well and the ones where it reads as sloppy.
How often is What That Mean updated?
New entries are added weekly, and existing entries are reviewed regularly — slang shifts meaning, and new number sequences trend. Every page shows its last-updated date so you can always see how fresh an explanation is.