Great list right here.
"With the greatest respect."
Normally means: I am listening to what you are saying.
Now means: I do not think that anything you've ever said has been correct.
CBS / Via prettygirllost.tumblr.com
"Thanks for the help."
Normally means: I appreciate that you're assisted me here.
Now means: I hate the degree to which you have fucked this up.
CBS / Via dancingmonstermermaid.tumblr.com
"Cool."
Normally means: This is a good thing.
Now means: This is a terrible thing.
The Weinstein Company / Via elizabethstonembitch.tumblr.com
"Obviously."
Normally means: These things are true.
Now means: I cannot believe that you think that anyone doesn't know this.
Via reddit.com