fed up
Frustrated, annoyed, or no longer willing to tolerate something.
By Cal Hewitt, Founder at Web Leveling · Researched from public sources ·
What it actually means
This is established informal English, not a term unique to Gen Z. It can describe a temporary annoyance or a final loss of patience.
See the quick definition in the fed up dictionary entry.
Where it came from
An established English idiom whose exact original coiner is unknown. It predates social media and remains common in everyday speech.
No single person is credited, the origin is well-documented.
Where it's popular
Most associated with general English-speaking communities. This is a community and platform description, not a claim about national usage rates.
Online slang shifts quickly across platforms and age groups.
How it caught on
- Before current online useThe relevant base word or phrase existed in English or informal speech; the supplied source is the starting point for its documented meaning.
- Internet circulationThe form became recognizable in general English-speaking communities; no precise first-post date is asserted without a verifiable primary record.
- Current useIt remains context-dependent and is commonly encountered in informal writing, memes, captions, or conversation.
How to use it
““That is so fed up.””
A casual example showing the term in an informal sentence.
““I get what you mean, but calling it fed up depends on the context.””
A careful example that does not assume a fixed tone.
““They used fed up jokingly in the group chat.””
An example of online casual use.
Common mix-ups
It does not have one universal tone or meaning in every community.
Do you actually know it?
Do you actually know “fed up”?
0/31. Which is the safest plain-English summary of “fed up”?
2. What is the most responsible way to handle the origin of “fed up”?
3. Where is this kind of slang most likely to appear?
Related slang
Questions people ask
What does “fed up” mean?
Frustrated, annoyed, or no longer willing to tolerate something.
Is “fed up” always an insult?
No. Tone, relationship, and platform can make the same term teasing, neutral, approving, or critical.
Who coined “fed up”?
A single reliable coiner is not established in the sources used for this brief.
Can I use “fed up” in formal writing?
Usually no. Use a plain-English equivalent unless you are quoting or explaining slang.
The spelling and tone of “fed up” can carry as much social meaning as its dictionary definition.