Comment by vanderZwan

I personally am more fond of provoking an "angstschreeuw" in English speakers by asking them to pronounce "slechtstschrijvend" or "zachtstschrijdend" and watching them recoil in horror at the consonant clusters[0][1].

[0] https://en.wikipedia.org/wiki/Consonant_cluster

[1] https://nl.wikipedia.org/wiki/Medeklinkerstapeling (Dutch wiki page for consonant clusters with more examples)