Mad as a cut snake
Insane, disturbed, strange in the head
"He slept with the stripper and invited her to the wedding the next day. When he got there he drank all the cider, staggered up the aisle, then paused to light a cigarette during his vows. That cat is as mad as a cut snake"
mad as a cut snake
To be pissed off..or really angry as a snake would be if you cut it
I can't believe she took my new dress with out asking, I'm as mad as a cut snake with her..
as mad as a cut snake
It means insane. Because when a snake gets chopped in two it goes crazy (don't try at home)
He was as mad as a cut snake.