tweavesdropping
When two people on twitter are having a conversation via @reply, and you are reading everything they're saying without them really knowing it, even though every conversation on twitter is public.
Person 1: @person2 omg you'll never guess what kevin told me
Person 2: @person1 Text me about it, I don't want anyone tweavesdropping on us
Person 2: @person1 Text me about it, I don't want anyone tweavesdropping on us