niece fucker
The term is highly offensive and vulgar, used both as a generic insult and to describe a specific incestuous act.
Definition
C2Informal Speech
(vulgar, offensive)A derogatory term used to insult someone, similar to 'motherfucker'.
C2Literally
(vulgar, offensive)A person who engages in incestuous sexual relations with their niece.
Similar
Terms that have similar or relatively close meanings to "niece fucker":