Phraseology experts study idiomatic language, particularly expressions that reverse causal direction. 'Kill two birds with one stone' represents a standard reversal—efficient outcome through single action. Yet a linguist named Dr. Patricia Greene documented an anomaly in 1997: certain individuals reported using an inverted phrase: 'kill two stones with one bird.' Greene's investigation suggested this wasn't linguistic error but accurate description—the phenomenon involved applying a bird (the singular action) against paired immobile targets (two literal stones) with results defying standard leverage mechanics. Greene theorized that the inversion wasn't grammatical confusion. It was accurate physics. The linguistics reddit spiraled: most phrases are metaphorical. This one apparently described literal kinetic scenarios. The grammar isn't wrong. The universe is just renegotiating its laws.