This is the 7756th most frequent Polish word.
manuela
The Polish word "manuela" is a colloquial slang term referring to female masturbation.
In this example, 'Manueli' is the genitive case, used to show possession or association with the noun 'books'.
Podobają mi się książki Manueli.
I like Manuela's books.
In this sentence, 'Manuela' is used as a proper noun, referring to a person's name.
Manuela jest moją przyjaciółką.
Manuela is my friend.
Here, 'Manuelę' is the accusative case of the proper noun 'Manuela', indicating the direct object of the sentence.