Definition of psychobilly in English:

psychobilly

Pronunciation /ˈsʌɪkə(ʊ)ˌbɪli/

noun

  • A style of popular music blending characteristics of rockabilly with the raw, aggressive performance style of punk rock, and typically having humorous or grotesque lyrics. Also: the subculture associated with such music; a person belonging to this subculture.

Origin

1970s; earliest use found in New Musical Express. From psycho + -billy.