Higgledy-piggledies are more sophisticated than clerihews: they comprise double dactyls and rhymes and aren't always biographical.

sea green:

The actor that detained her had one line in that particular scene and flubbed it. And then flubbed it again...and again. And again, all the while assuring the director and the crew that he ‘knew his lines’ and then flubbed them again.

Somehow, I needed to develop a reasonable amount of skill and accuracy before gathering the courage to join the circle of worshippers after the dawn or sunset prayer