A piece of shit shaped like a block of canned lunch meat (Jamoneta is a popular brand of canned ham in the Dominican Republic, similar to Spam, known for its rectangular shape).
Damn, check out the one they left in the bathroom, it looks like a Mojoneta!
The runs or a case of diarrhea that is slightly more solid than liquid squirts. It usually happens after stuffing yourself with greasy street food (fritura refers to various local fried snacks like pork or sausages common in the Dominican Republic).
That stuff gave me cagadera, I have been to the bathroom about 20 times.
In the Northwest region, particularly in Mao, this is a slang term for human excrement. It is synonymous with words like crap or shit (Mao is a municipality in the Valverde province).