A person who pretends they are someone else via text message. For instance: Picking up your boyfriend's cell
phone and
texting someone from his
phone, as if you ARE the boyfriend.
Responding to a text message that wasn't meant for you as if you are the person it was meant for.
I thought I was
texting Jim last night, but I found out it was actually
Sally. What a textersonator, I'll
never trust her again.