Pipi Le Pew, flushed down the loo

Hebrew/greek confusion:

In Hebrew the word YHWH looks like this: יהוה — read from right to left. But by the time of Jesus Hebrew had become virtually a dead language even in Israel. Someone encountering this Hebrew word in a Greek text might well have thought it looked like the nonsense Greek word πιπι — read from left to right, that’s pipi. According to St. Jerome this is exactly what happened