Very: an epithet which in the English vulgar language is made to agree with every quality or thing; as, devilish bad, devilish good; devilish sick, devilish well; devilish sweet, devilish sour; devilish hot, devilish cold, &c. &c.
DEVILISH
Meaning of DEVILISH in English
Slang English vocab. Английский сленговый словарь. 2012