You say, "tortuga loca."
hermana loca
"piernas locas"
niña loca
In Spanish: "Estas loco?". If you're saying it to a girl you say it like this "Estas loca?".
Bésame el trasero that's how u say you are crazy about me
loco
You can say "Estoy loco(a)".
¿Eres loco?
Me vuelves loco/a.
No estoy loco
You say, "tortuga loca."
no demente, desquisiado, son others ways to say crazy.
You could say "Sombrero loco".
loco por ella
poeta loco
hermana loca