Meaning

2 senses
  1. (vulgar)A generic term of abuse.

    2002, church muse, Re: Pictures Of Me In My Wheelchair, Begging.....NOT Group: alt.music.led-zeppelin You can't even count, you Georgian bred cousinfucker.

    2003, xxx, Re: Newsgroup Hostilities Group: 24hoursupport.helpdesk […] don't be shy, impress the ng with your massive wit, you hillbilly "cousinfucker"

  2. (literally, vulgar)One who engages in incestuous sex with one's cousin.

Origin

From cousin + fucker.

From cousin + fucker.

Wiktionary, CC BY-SA 4.0 · source

cousinfucker — meaning, examples, forms, synonyms | Krumeto