Learn Dutch: Dat de baby zo hangerig en huilerig is! - That the baby is so clingy and weepy!

They are formed by adding the suffix -erig to the verb stems hang (from hangen, to hang) and huil (from huilen, to cry). This suffix is often added to verbs or nouns to describe a mood, tendency, or mild state, similar to the English suffix "-y" in "weepy" or "clingy".

Is there a difference in meaning between being huilerig and being huilend?

Yes, they describe different things. Huilend is the literal action of crying at this exact moment. Huilerig describes a state or mood: being prone to crying, tearful, or weepy. A baby can be huilerig all afternoon even if they only actually cry a few times.

Why does hangerig translate to "clingy"?

It literally means tending to hangen (hang). In Dutch, hangerig is the standard way to describe a child who wants to hang onto their parents or is acting lethargic and needy, usually because they are tired or slightly sick.

Why does this sentence start with Dat and put the verb is at the very end?

Starting a sentence with Dat like this creates an exclamation of surprise, frustration, or exasperation. It functions grammatically like a subordinate clause, which is why the verb is gets pushed to the end. It is similar to saying "To think that the baby is so clingy!" or "I can't believe the baby is so weepy!" in English.