On the radio on the way home a few nights ago, we had Mark Thompson filling in for Tim Conway Jr, and the show came back from a commercial break with an mellow old-school rap song intro, and he improvised his return with "Yo, yo, yo!" ... and then immediately got self-conscious about it. It turned into an actual linguistic discussion about where "Yo!" came from and where it's at today. He felt it was an 80s or 90s thing. It was never really a replacement for "Hello," but technically an interjection, and specifically used to get someone's attention. The other guys at the station felt it was outdated and confrontational. Oddly, they might still use it to call attention to something, or to show surprise at something, but they would never use it in text messaging. Or they would find it comically lame when older people used it in a text. I thought it was interesting that usage can be so specific that a word leaves different impressions depending on...
A blog of word lore and word-based games.