Adjective or noun used to a describe a situation of unpleasant weirdness, especially when a person acts out of character in a bizarre and uncomfortable way.
"Did you see Alan dancing naked while shitfaced last night?"
"Yeah, that was total crubs."
"Sarah snorting soup through a straw was the most crubs thing I've seen all year."
Alternative name of the card game Hearts.
"I played Crubs yesterday"