Top definition
Immediate Sent Text Read Back:

The act of immediately reviewing a sent text.
Guy One: Dude, i sent my girl a text earlier and she hasn't replied yet! I'm worried.
Guy Two: You sure the text made sense? Did you do an ISTRB?
Guy One: I didn't no!! I forgot (Checks his phone)
Guy One: Oh DEAR!!!!!!!
Guy Two: What did you write dude?
Guy One: I used the word Fat instead of Fit!!! and ended it with CC instead of XX!!!
by GMAN1985 December 20, 2013
Happy St. Patties Day!
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