Meaning and local context
In Liverpool, “made up” means Very pleased, delighted, or happy. A common Liverpool and northwest English expression.
Example in context
A local example is “I was made up with the result.” In plain English, that means “I was delighted with the result.”
I was made up with the result.
I was delighted with the result.
How to interpret it
The surrounding sentence is important when interpreting “made up”. Use the regional sense above when the situation matches the example instead of relying on the word or phrase in isolation.
Tone and caution
It does not mean invented in this context. Because this is informal regional language, tone and situation should guide whether you use “made up” yourself or simply recognise it when someone else uses it.