This is the 8143rd most frequent French word.
upa
"Upa" is not a standard French word. It may be a typo or borrowed term.
Here, 'upa' is used as an interjection to express surprise or excitement.
Upa! Regarde cela!
Upa! Look at that!
In this context, 'upa' is used as a colloquial term to indicate instability or imbalance, though it is not standard French.
L'équilibre de la table est en upa.
The table's balance is in upa.
Here, 'upa' is an exclamation, showing Marie's reaction to something unexpected or amusing.