Wow if I got that car that would be brownie.
You know what would be brownie? If you banged Jessica Alba.
A "special brownie" has no solid definition, but a hilarious connotation.
"Are those...Special brownies?"
"Yes. Yes they are. You want one?"
"Sure." *munches on it*
Y: "Well it was going pretty good until around nine I had a brownie."
X: "Damn. A brownie?"
Y: "Yes I had a quart of Miller High Life last night during the game and a pot of coffee to on top of it this morning on the way to work. Sure as hell...that combo lead to my having a brownie when I got here."