Definition of dogfucker:
(n) :
(slang, derogatory, offensive, vulgar) A term of abuse.
(n) :
(slang, derogatory, offensive, vulgar, literal) One who has sexual intercourse with dogs.
(n) :
(slang, derogatory, offensive, vulgar, by extension, especially Canada) A lazy person.
(n) :
(slang, derogatory, offensive, vulgar, especially Canada) A worker who is dogging it (soldiering).
(n) :
(slang, derogatory, offensive, vulgar) A member of the furry fandom.