An insane or eccentric person; a crackpot.
Eccentric behaviour; lunacy.
Flawed or damaged; unsound, liable to break apart; ramshackle.
Sickly, frail; diseased.
Of unsound mind; insane, demented.
Out of control.
Very excited or enthusiastic.
In love; experiencing romantic feelings.
Very unexpected; wildly surprising.
Very, extremely.