(1) In the form or shape of a scrotum, having some scrotal or scrotum-like attribute or appearance.
(2) Something that is going (or has gone) horribly wrong (a bit like "pear-shaped" only even more annoying or worse..... i.e. when its a total unmitigated 'balls-up').
Example of usage (1) "The purse was scrotiform".
Examples of usage (2) "They fired me after my project went scrotiform", "I'm worried the economy’s going scrotiform", "it's just a tuneless scrotiform noise".