1 slimeball is equal to 3.6 pimplepusses
The square of the pimplepusses is equal to the cosine of the dingleberries angle of dissonance.
1 annoyance is equal to the ratio of dibgleberries to length of the "Ahhh's" used in any particular response, in millimeters.
Therefore, through simple substitution, the solution is, 1 annoyance eqoals 2.17932 slimeballs.