Frantic
Frenzied
Discomposed
Crazed
Lunatic
You could use: chiflado.
Another word for wierd is crazy
The high temperatures and humidity made Jack feverish.
Looking into the dark tunnel, i began to feel a feverish excitement run through my body.
no
Loony.
helter skelter.
crazy
jizzy
bats, nuts.
Crazy, psycho, strange.
Off ones rocker, mental midget