Of poor or low quality.
That work he did was so shonky, I can't believe he actually put his name on it.
Not to be confused with "Wonky", which means much the same thing, but typically refers to structures, such as buildings, walls, etc.
E-mail quotidien gratuit
Les e-mails sont envoyés par firstname.lastname@example.org. Nous ne vous enverrons jamais de spam.