This is the 6297th most frequent Portuguese word.
curtinho
Short or very short.
Here, 'curtinho' describes the length of a physical object, indicating that the skirt was notably short and using the diminutive to convey a casual or affectionate tone.
A saia dela era bem curtinha.
Her skirt was quite short.
Here, 'curtinho' is used to describe the length of something, specifically the hair, emphasizing its shortness in a diminutive and endearing manner.
Eu cortei o cabelo bem curtinho.
I cut my hair very short.
In this sentence, 'curtinho' refers to the duration of the event, indicating that it was brief and likely pleasant owing to the diminutive form.