T is an abbreviation for "Typical" because saying the word typical is a classic case of TMW (too much work).
If another person uses "T" in conversation, it is customary to respond by saying "You know about T?"
and the other person will respond, "I know all about it"
If another person uses "T" in conversation, it is customary to respond by saying "You know about T?"
and the other person will respond, "I know all about it"
by Sweetback216 May 21, 2011