2 KudoZ points awarded for this answer. Comment: "Thank you, Hasna. I was hoping someone would find a standard term. But your phrase captures the meaning in any case. I have used الانزلاق المتردد in the translation. Thank you also, Mohamed Taha. However, the لزج introduced a specific technical attribute that the text does not reflect. The sticking that happens here is due to friction, hence the Hasna use of التصاق was probably sensible in this context."