1) A text sent very quickly or to numerous people or both
(2) Someone who is extremely enthusiastic about texting and they text a minimum of 5 people at all times
(3) Someone who texts with extreme speed and has become a certified hypertexter.
1) Billy just hypertexted me in literally 3 seconds after i sent my text.
2) Golly gee Gerry, you sure text a lot of people! You must be a straight up hypertexter.
3)Mercy me Mary! You certainly text quickly! Are you a certified hypertexter?