Dark matter - though quite strange
Dont you listen to them, dark matter!
Be yourself!
Put ketchup on your corn flakes if thats what you like!
Dont let those nasty astronomers label you!
... uniform source of repulsive gravity...I personally find gravity quite attractive. Anyone who is repulsed by gravity in, indeed, going to find themselves in a Dark Place.
One morning my cat peed in my cornflakes. Is that anything like ketchup? It sure ruined my day, I can tell ya that.