das Teufelszeug
Translation
devil's stuff, devil's work, nasty stuff, poison
Examples
Lass die Finger von diesem Teufelszeug!
Keep your hands off that devil's stuff!
Alkohol in großen Mengen ist Teufelszeug.
Alcohol in large quantities is the devil's work.
Grammar Patterns
die Finger von+3 lassen to keep one's hands off sth. Keep your hands off that devil's stuff!
Similar Words
das Gift (poison), die Droge (drug), schädliches Zeug (harmful stuff)
Etymology
A compound noun from 'der Teufel' (the devil) + '-s-' (linking element) + 'das Zeug' (the stuff). Literally 'devil's stuff'.
Memory Tips
Imagine something so harmful or addictive it must be the work of the devil (Teufel). The gender follows the last noun, 'das Zeug'.