cursor dipped in X

There are a couple of metaphors in English of the form `pen dipped in X' (perhaps the most common values of X are `acid', `bile', and `vitriol'). These map over neatly to this hackish usage (the cursor being what moves, leaving letters behind, when one is composing on-line). "Talk about a {nastygram}! He must've had his cursor dipped in acid when he wrote that one!"

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