ridinkulous
unbelievable, but not to a point where it would be called ridonkulous; absurd, but not being absurd enough to be preposterous.
Jake: Yea, my girlfriend is goes to another church, it's just across the bridge.
John: Yea right. Jake, you've never had a girlfriend in your life.
James: The whole idea seems a bit ridinkulous.
John: Yea right. Jake, you've never had a girlfriend in your life.
James: The whole idea seems a bit ridinkulous.