yolqueptoc.

Headword: 
yolqueptoc.
Principal English Translation: 

someone crazy (see Karttunen)

Orthographic Variants: 
yōlqueptoc
IPAspelling: 
yoːlkeptok
Frances Karttunen: 

YŌLQUEPTOC someone crazy / loco (Z) [(2)Zp.77,232]. See YŌL-, QUEPTOC.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 343.