Linda Hogan -- Hulk's ex-wife -- is denying claims she was ever physically or verbally abusive to her daughter, Brooke ... instead calling Brooke a "narcissist" who attacked her.
The mother-of-two fired back at Brooke's claims in a lengthy Facebook post from just a few hours ago ... claiming narcissism runs deep in the family -- and, both Brooke and Hulk suffer from it.
LH then admits she may have spanked Brooke on one occasion and called her a couple names .