According to le dictionary a spaz is:
- A person that acts insane or mentally retarded;
- Someone who is hyperactive, or overly energetic;
- Someone who thinks irrationally and is giving you a hard time, usually about someting insignificant, or someone who generally randomly overreacts.
- Someone who runs around saying random words or phrases, or doing random things.
Forsooth! I take back my lovely marriage proposal and challenge him to pistols-at-dawn instead. Prepare to die you awful-awful person.