Although the most frequent meaning is the one of Text Me Back, TMB may sometimes be used to refer to other expressions with different contextual meaning, such as Too Much Benefit, in finance, or The Money Business, in informal jokes. Nevertheless, in texting among teenagers, it nearly always refers to “Text Me Back.” Before they attribute a different meaning to the conversation, parents should take into consideration the tone of the conversation. In case of doubt, they can just question their child on whether it is used or not. Teenagers use TMB in its unadulterated texting context most of the time. Know more about tmb meaning in text
Source: Saferloop