What is Arse Hair Demon?
1.
Alternate spelling, "Arse-hair demon": An extremely small,
Ariel and Deanna were enjoying high tea with the Queen, when HRH suddenly gave a sharp yelp, and leapt from her seat. Royal Guardsmen rushed towards the table, but Her Majesty waved them off, stating, "Bugger off, ya sods, 'twas merely a wee arse hair demon, ticklin' me hindparts."
See
2.
Little invisible monster that grabs the hair on a guy's arse when
Girl 1: "So, you got it on with Andy last night huh? How was it?"
Girl 2: "Andy was such a considerate lover until the point that the arse hair demon entered the room. Then he just pounded the shit out of me."
See