What about when they're not even funny - or interesting - the first time? Like The Rattling Bog (which I don't think actually has a verb in it, which sort of sums up the situation): The leaf on the branch and the branch on the tree and the tree in the... oh, you get the idea...

Re Fields of Athenry as a club anthem, whatever about the sectarian overtones, it's the out-of-tune, turgid, multi-voiced roaring that has finally done me in (lowwwwwwwwwww LIIIIIIIIIIIIIIIIEEEEEEEEEEEE...) It's actually a fine song, but it has suffered the fate of other fine songs, i.e. that people like them so they become popular and end up getting sung to dismal death. And THEN comes the inevitable parody, which is OK - once or twice - if it's clever, but they're so often second rate.

Kilkelly Ireland has decent words but it's too long and suffers from a horribly repetitive melody with about a four-note range. Boring even when performed by a talented singer.

On the non-folk front, I totally agree with the person above who nominated MacArthur Park (way too long, tedious, silly & meaningless) and also Heaven Knows I'm Miserable Now, which seems to consist of two whole notes. HOW did either of those ever get beyond the demo stage??