The act of multiple people sending identical text messages to an individual at the same time, usually to a homie in a mocking or taunting fashion.
Chris - "Yo I heard Mark is out tonight with da kids and wife at the carnival"
Age - "Snap!! he must be cranky, yo!"
Sweede - "Word, let's gang text him"
John - "Trudat, let's send 'Yo, score us a goldfish'"
Chris - "Chyeah, that's genuis"