A person who's going on and on about a subject they're interested in, not letting others get a word in edgewise. By spewing a constant stream of information, they become the human equivalent of an open fire hydrant.
Jeez, Jon, you haven't stopped talking about 3D printing all night; you're being a real verbal fire hydrant!
To go against the grain so hard that it is metaphorically reduced to shreds. Only accomplished through a groundbreaking act of badassery.
Quinn: "Man, Jake, you shred the grain so hard last night!"
Jake: "I jumped over a garbage can, dude"
Quinn: "I KNOW! You STG'd to the max!"