1 definition by _alum_

Top Definition
A relationship where a guy and a girl who like each other spend every waking moment together but refuse to admit or agree that they are dating.
Q: I see Dave and Katie* everywhere together... in the library, in the student union, swing dancing... Are those two dating?

A: Maybe, but they won't admit it. Right now they're just Hillsdating. If you see them holding hands that means it's official.

*2 most common names at Hillsdale College.
by _alum_ June 08, 2009

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