Conspicious is a combination of the words Conspicuous, meaning clearly visible or attraction attention and Suspicious meaning having the belief or impression that someone is involved in an illegal or dishonest activity.
Mike: That car has been parked there everyday this week with random people going to the drivers window and leaving.
Phil: I know Mike, it's conspicious.
The five of us had a spontaneous conspiration, when we realized that each of us knew that two of the four owners were fucking headcases and we had to help each other find parachutes before the plane went into the drink.