The increasing tend for people to pre-fix something they are saying with "So". Like......"So, this product is about, etc", and they keep doing it, every sentence......
And those being interviewed, who keep saying"you know"....well we don't actually - that's why you're being interviewed on this radio show........
The "of's", as mentioned by a few, as in would of, instead of would have
And a newish one - "Been as".....as in "being as"
Check - out assistants who carry on talking to their colleagues, while you're being served
People who leave you a telephone message and rattle their number off so quick, that you have to play it back 3 times to get the number.
Another one.....you've asked someone for some info, and they agree to call you back, which they do, but instead of telling you what you want to know in the message, they just say can you call me back.....
Enough for now! Been amusing reading through though