Green’s Dictionary of Slang

(Irish) excrement.

2001		G. Coughlan Everyday Eng. and Sl. 🌐 Stinky/Stinkies (n): shit.
2002		R. Peyser Crappy to Happy 77: Someone else makes big stinkies. You don't. [...] Can you accept yourself, big stinkies and all? Actually, your poop smells like roses so you don't have to worry.