The Oxford dictionary has the following definitions of crazy
IMHO only no.2 and archaic apply on this forum.....the rest is a matter of opinion which is what we are all about here.....conclusion we are all crazy one way or another, just choose where you want to be at home sinking or at sea afloat. Bienvenidos al mundo de los locos.
adjective (crazier, craziest)
1 mad, especially as manifested in wild or aggressive behaviour:
Stella went crazy and assaulted a visitor
a crazy look
the noise was driving me crazy
it was crazy to hope that good might come out of this mess
2 extremely enthusiastic:
I'm crazy about Cindy
[in combination] :
a football-crazy bunch of boys
3 (of an angle) appearing absurdly out of place or unlikely:
the monument leant at a crazy angle
archaic (of a ship or building) full of cracks or flaws; unsound.
noun (plural crazies)
chiefly North American
a mad person.