n. bad; bad-looking; horrible, as in heinous crime. (A standard English word, used in a slangy context.) : Where on earth did you get hat heinous outfit?
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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Word Origin & History
heinous
c.1374, from O.Fr. haineus (Fr. haineux), from haine "hatred," from hair "to hate," from Frank. *hatjan (cf. O.S. haton, O.E. hatian "to hate").