0 the act of mentioning a person on Twitter™ without using the symbol @ before their name so they do not see what you have written:
Subtweeting is the internet equivalent of talking about someone behind their back.
The development of subtweeting is one of the more insidious digital trends for teenagers.
Subtweeting is generally considered a mean thing to do.
That's the way subtweeting works.
Subtweeting is what happens when you tweet about someone without giving their Twitter handle.