Top Definition
The local telecommunications company in trinidad and tobago. Which provides the worst service imaginable.
Man1 "Ah was calling you all the time, but i coudnt get through"

Man2 "Is TSTT an dis damn GSM again"
by Basdeo Manning December 09, 2004
5 Words related to TSTT
Too soon to tell
It is 9 am and your children ask you, "What are we having for dinner mommy?" You say "too soon to tell." In an email your friend asks "Are you going to the movie on Friday?" and you save key strokes by writing TSTT!
by bestmommy August 11, 2010

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