facetexting
You're on a facechat, you both talk at the same time, and you end up answering each other's questions like you're in a stupid argument. It’s like you’re both trying to out-talk each other and you both fail.
'Hey, did you finish your homework?' 'Did you?' 'Did you finish your homework?' 'Did you?'
'You going to the party?' 'You going?' 'You going to the party?' 'You going?'
'What's your favorite color?' 'What's yours?' 'What's your favorite color?' 'What's yours?'