1) An expression of excitement, or extreme happiness.
2) Acknowledgement of someone who has greeted you, or a greeting in itself.
3) A state of mind, in which one is relaxed.
4) A neural vowel sound used in the dictionary, depicted as a lowercase letter 'e', rotated 180 degrees counter-clockwise.
Slang originated from Hashmeer
of Group X
, who used the phrase "Shiggity shiggity schwa." Eventually, Jager, of The Hoodlums in Upstate New York, began to use Schwa inan every day context.