Wow, this really works! This thread demonstrates how English has a feature that lets you turn anything into a good insult. You can also us this trick for talking about being really wasted or tired, etc. It turns out this is actually called collocative substitution. The English language is crazy. Anyway, here’s the interesting thread:
(via: Vellum and Vinyl)
I am sure that I once heard “coat hanger” used as a genuine insult, referring to someone who is only good at making clothes look good by wearing them.