The word derives from the depths of Wantage, UK

To be a Batty Anus is to be a homosexual. With the words 'Batty' (referred frequently as homosexual) and 'anus' it gives the impression that the receiver of this word is gay

Also used as a general insult
"some batty anus tried to kiss me the other day"

"you are such a batty anus!"
by Wagwan89 August 29, 2012
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