De or het dopping?

The correct Dutch article is:

de dopping

Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) 1. het gebruik van stimulerende middelen 2. stimulerende middelen

How to use dopping

the doppingde dopping
this doppingdeze dopping
that doppingdie dopping
our doppingonze dopping
your doppingjouw dopping
every doppingelke dopping
which dopping?welke dopping?
a big dopping / the big doppingeen grote dopping, de grote dopping

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