Definition of "manic"
adjective:
-
Manic-depressive.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Of or pertaining to someone who exhibits mania or craziness; wicked.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Colloquial, to exhibit great energy, as one who is in the manic phase of manic depression.
from Wiktionary, Creative Commons Attribution/Share-Alike License
-