Texas Well Baby may be an attempt to gain charitable donations from a personal tragedy, much as Jessica McClure did after falling down a Texas well as a young child.
According to the Urban Dictionary, the Reverse Jim Gaffigan is the sale of individually wrapped Hot Pockets as a street vendor. Hot pockets are not normally packaged for individual sale.
Brown Betty is a type of cobbler dessert with fruit and sweetened crumbs. It also has a number of progressively more disgusting definitions in the Urban Dictionary. How any of these are connected to a grift or scam, I do not know, though mixing definitions could support User7812's theory that it is a food contamination hoax.