Meaning of meshugga

1. My grandmother is always telling me I'm meshugga for wanting to travel the world alone.
2. The idea of jumping out of an airplane without a parachute is just meshugga.
3. I can't believe she ate a whole cake by herself, she must be meshugga!
4. His obsession with collecting vintage stamps is a little meshugga in my opinion.
5. I think it's meshugga to believe that you can win the lottery every week.
6. The way he drives his car through rush hour traffic is completely meshugga.
7. I don't know why she insists on wearing sandals in the snow, she's meshugga.
8. My boss must be meshugga to think I can finish this project in one day.
9. The way she talks to her plants as if they can understand her is a bit meshugga.
10. I think it's meshugga to try and solve a Rubik's cube blindfolded.