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

The greatest guy you will ever meet. Has an annoying classmate sometimes named "Kevin" or "Ray", and is very talented.

Typically a scary cat or a chicken. can be annoying at times.