Another slang way to say "son of a gun" or "son of a bitch".
In most way, you'd be mad, or 'pissed' at something.
Also works as insults: "shut up you son of a monkeys ass"
Counterexample:
"Ah son of a bitch, theres a test today!"
Used in refrence to the annoying pieces of human waste that you get lodged or stuck to you after eating spicy food and then having an attack of the backdoor trots which then these pieces of waste burn and annoy you to no end.
Ex...Male 1: Oh fuck dude I have the worstflaming ass monkeys from that taco place ever.
Male 2: I know that sucks so bad.
A gay guy who got aids from anal.
comes from the fact that aids started out from people eating monkeys infected with aids. After which some aids infected people would fuck other gay guys.