Top definition
Descendant of the great Hercules, one who has been blessed by the Gods to spread joy and jubilation wherever he goes, paving the sidewalks with sunshine and filling hearts with the song of the cosmos.

Also used to express the silver lining or the highlight of any situation.
That movie was the seikai of the day!
by foxhunter58 October 27, 2009
Get the mug
Get a Seikai mug for your friend Helena.