Dialogue cliches to avoid like the plague *coughs* (via: @mentorless, HT: @darkmatterzine)

Mentorless provides a long (but by no means exhaustive list) of worn out snippets of dialogue to avoid. 50 examples, to be specific, with more coming in through the comments:

Writing cliched dialogues can be as tempting as writing memorable lines is hard. But, if it seems ok to use them while you are going with the flow and trying to move forward on a draft, they are a no-no when the times come to show your script around.

Read them here: http://www.mentorless.com/2013/09/30/50-cliched-dialogues-to-ban-from-your-script/