1. What you’re saying: I could care less
The actual saying: I couldn’t care less
2. What you’re saying: Mind as well
The actual saying: Might as well
3. What you’re saying: We were conversating
The actual saying: We were conversing
4. What you’re saying: Play it by year
The actual saying: Play it by ear
5. What you’re saying: One in the same
The actual saying: One and the same
6. What you’re saying: Wreck havoc
The actual saying: Wreak havoc
7. What you’re saying: It’s a doggy-dog world
The actual saying: It’s a dog-eat-dog world
8. What you’re saying: Nip it in the butt
The actual saying: Nip it in the bud
9. What you’re saying: Should of
The actual saying: Should have