A person that tends to be very good at math. These people can be kind of prideful but also very smart. They are confidant in their abilities but know their weaknesses, luckily they are pretty good friends. These people are creative so but don't mock their creations or they will be angry.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.