De or het telefoonstalking?

The correct Dutch article is:

de telefoonstalking

Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) het bewust en stelselmatig lastigvallen, intimideren of bedreigen van iemand via de telefoon.

How to use telefoonstalking

the telefoonstalkingde telefoonstalking
this telefoonstalkingdeze telefoonstalking
that telefoonstalkingdie telefoonstalking
our telefoonstalkingonze telefoonstalking
your telefoonstalkingjouw telefoonstalking
every telefoonstalkingelke telefoonstalking
which telefoonstalking?welke telefoonstalking?
a big telefoonstalking / the big telefoonstalkingeen grote telefoonstalking, de grote telefoonstalking

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).