1. A
short-hand for a person of extraordinary
talent, giftedness, or other important qualities, used in both casual and/or professional environments to easily convey the fact that the person in question has exceeded the standards and/or requirements put in place in their particular field, (eg, musical abilities, mathematical abilities, general academics,
etc.)
Origin: Latin, from yelslekium grandiosium, a flower that boasts an extraordinary aromatically complex smell