sibling fucker
The term is a highly offensive and vulgar insult, often used to express extreme disdain or anger.
Definition
C2Informal Insult
(vulgar, offensive)A derogatory term used to insult someone in a very offensive manner.
C2Literal Meaning
(vulgar, offensive)A person who engages in sexual activity with their sibling.
Similar
Terms that have similar or relatively close meanings to "sibling fucker":
niece fuckerblood siblingfoster siblingtucker fuckerson of a whoreblood sisterthree-quarter sibling