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1.
When you attempt to explain a situation or concept via "TXT".

Often difficult to do, due to the complexity of a situation matched with with one dimensional issues and room for interpretation via txt.
Sarah: Could you please give me a txtplanation ?

Emma: Sure, well I was running really late, and then I saw a friend I haven't seen since primary school. She invited me back to hers for dinner... and then I remembered about the marketing essay...
by bmw power August 18, 2008
 
2.
expanation told via txt messaging. often complicated, should be avoided at all costs. a phone call is often cheaper in the long run and much easier to understand.
me: sum annoying expat was being a prat, il tell u when i see you later, cant b bothered writing a txtplanation
scott: ok :)
by Soggy JJ August 11, 2008