Definitions by TomTreeTop

Clopen 

The unnecessary half-closed option that every car door has.

You're door is clopen.

Clopen by TomTreeTop July 27, 2011

Sixth Wheel 

That guy you invite to the amusement park that no one really likes that much, but you invite him anyways cause otherwise your five-person party would always require one person to sit awkwardly alone.

Tyler: Who's that guy?
Joe: ...Greg.... Sixth Wheel.

Sixth Wheel by TomTreeTop July 22, 2011