Feel free to pitch in with your two cents as we attempt to answer some of the more awkward, confounding, rude and inappropriate questions that kids love asking. This time - why do we have swear words? Also, as a bonus - does washing your mouth out with soap work?
If you've got an answer for this one, share it in the comments below, at http://www.cbc.ca/thehour/kids/ or @strombo on Twitter - we'll be reading some of the best responses on air.