A collection of examples of questionable English usage heard on KQED (my local NPR station).
2009apr20 "The plan doesn't carry water." (I'm guessing this was a morph between the idioms "doesn't hold water" and "doesn't carry weight.")
various "Would you like to chime in?" Since to chime in means to interrupt, you can't invite someone to do it — at least, not at a particular point in a conversation. You could, however, say "If anyone has anything to say during this conversation, please feel free to chime in."