Harpic - clean around the bend.
Wang - surname Kerr
I was there yesterday - unpronounceable Polish name
Bubbles - because she was a bubbly person
Whenya - when you're smiling, because she never was
Minute man - "Have you got a minute, mate."
Joe Kool - came into the office one day wearing shorts, long socks and reflective sun glasses. Someone said "F... me, it's Joe Kool." and it stuck. Thirty years later there were people who thought that was his real name.