Step on a crack, break your mother’s back.
Your mother will break your back, if she finds you smoking (her) crack.
Break a mirror, seven years of bad luck.
Mirror a break dancer, seven years of arthritis.
Don’t let a black cat cross your path.
Elect a black cat for president to change the world.
Find a penny. Pick it up. All the day you’ll have good luck.
Find a penny. Pick it up. Tomorrow you’ll go to the chiropractor and that’ll cost you.
It’s good luck to find a four leaf clover.
When driving a clover leaf in L.A., use caution.
It’s bad luck to walk under a ladder.
People use ladders when they’re working, you should be so lucky.