сустыклаш (-ем)
{verb II} [Generate paradigm] 1. to speak in an inarticulate fashion, to speak with a speech defect, to stammer, to lisp, to slur one's speech
♦ умылаш лийдымым сустыклаш (-ем) {verb II} to slur something incomprehensible
--"PARENT"--> сустык