horrendous adjective terrible US A blend of the conventional “horrible” and “stupendous”.
— Collin Baker et al., CollegeUndergraduateSlangStudyConductedatBrown University, p. 139, 1968
You can get those Thai mail-order brides on the internet now. The postage must be fucking horrendous. — Dave Courtney, DodgyDave’sLittle BlackBook, p. 34, 2001