to give someone the shivers, to make someone's skin crawl (See Karttunen)
IPAspelling:
pepeyotsɑ
Frances Karttunen:
PEPEYOTZ(A) vt to give someone the shivers, to make someone's skin crawl / le hace cosquillas, siente andar algo en la piel (T) [(3)Tp.196]. This should relate in some regular way to M's pepeyoca 'for something to shimmer with reflected light.'
PEPEYOCHILIĀ applic. PEPEYOTZ(A). Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 192.