When one heated exchange (in English) led a commenter to write "Go fuck yourself!" in Lojban, it turned into a lengthy discussion of why he hadn't said what he meant to say, and what the proper Lojban expression for the sentiment might be.

How many Lojbanists does it take to change a brokenlight-bulb?” goes the old Lojban joke. “Two: one to decidewhat to change it into and one to decide what kind of bulbemits broken light.