A term coined in New York, pfnsht is like saying "bullshit" but without sounding stupid and uneducated. It is really "Puffin Shit" but when slurred you get this all-purpose swear word no-one will call you on.
The fear of Jell-O brand gelatin or any type of gelatin, jelly included. Characterised by the avoidance of such materials and the refusal to consume said materials. People with gelatinophobia often find the wiggling of gelatin based food gross.
Nathan: I won't be eating jelly for a very long time.
Mike: I guess you caught Kel's gelatinophobia.