something bad, very bad; something immoral
Ōquitlazòtlapōlô in àcualli in àyēctli = He's (disgracefully) loved (what's) evil and immoral.
in ticmocuitlavitinemi in aqually, yn aiectli = you go about devoting yourselves to evil, to wickedness (central Mexico, sixteenth century)
auh in yehuatl omoteneuh Maria xucoatolnamacac cenca quintzatzatzillitihuia amo huel mihtoz motenehuaz yn ixquich acualli ayectli tencuicuitlatlahtolli yc quimahuatihuia cenca quinmahuizpollotihuia canel cihuatl, auh amo ҫan icel ynin cihuatl yhuan ymon yn moteylhuiq̃ = And the said María, seller of bitter atole, went along shouting loudly at them; all the bad and filthy language with which she went scolding at them cannot be said or told. She showed great disrespect for them, for she is a woman. But it was not this woman alone; her son-in-law made the complaint along with her (central Mexico, 1613)