But there were so many threads on that, and threads on other things which drifted into talking about it.

Here's Tricky Dickie's Revenge, one thread with a couple of songs in it (one of them by me) - but not the one you are after.

Putting Bush, or for that matter Gore, into a search engine threatens to come up with all kinds of irrelevant stuff, like Border Ballads, where both words are quite common. Chad might be better I imagine.

EUREKA - I've just found it (having entered "dinmpled chad" in the search engine and found a thread called "Punch it Twice it's all right", and it was catspaw posted the words. And here they are