pohsthook-er, n.
Pejorative name pertaining to individuals who after the Sandy Hook incident, price-gouged the sale of firearms and ammunition to obscene and unrealistic prices to fuel the panic that was the impending (albeit failed) ban on semi-automatic rifles and standard-capacity magazines, often selling firearms and ammunition at 150-400% and greater of their actual value.
That Posthooker just tried to sell me a DPMS AR-15 for $3,000. I told him