One who terrorizes another by sending a massive number of texts to his victim with the sole intent to (a) use up their free texts (if they are such a gignoramus as to not have unlimited texting; or (b) to simply overload their phone and time to delete all the nonsensical texts.
Jane is a real textorist! She texted me 653 times from jail thanking me for not bailing her out. I blew my free texts and my "delete" key! Ugh!!