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That single pubic hair that gets stuck on your tongue when you're giving head and you just can't get it off no matter how hard you try.
I was trying to finish her off, but that damn hairtongue was like a tiny curse.
I licked her like a dog, but that hairtongue was still there, taunting me.
I had to pull out my phone and take a selfie with that hairtongue in my mouth, it was that bad.