Arachne has a disability, in that the part of her mind responsible for sarcasm was greatly diminished from birth ...
I, however, have a massively overdeveloped sense of sarcasm which compensates for any sarcasm based deficiency which arachne may demonstrate.

Hey fishy, fishy, fishy, fishy ..... I'm gonna eat ya little fishy, I'm gonna eat ya little fishy ... I'm gonna eat ya little fishy .. cos I like eating fish ....