Ass banger is street slang for a man who likes to perform as the giver in anal sex. It is considered a vulgar term but has seeped into daily conversations.
More About Ass Banger
Because it is a vulgar term, be conscientious in using 'ass banger' in conversations. It has negative connotations. For instance, some people use it as a derogatory term for homosexual men. Unless the goal is crassness, it is best to avoid using ass banger, whether one pertains to sexual preferences.