PITA

wikipedia...
"Pita (also called pitta or pita bread and pronounced "pitta" in Greek) is an often round, brown, wheat flatbread made with yeast.
Similar to other double-layered flat or pocket breads, pita is traditional in many Middle EasternMediterranean cuisines. It is prevalent from North Africa through the Levant and the Arabian Peninsula to India and Afghanistan, coinciding with the spread of the Hellenistic world. The original pita is cooked flat without any rising. This type, known as the Greek pita, is the most well known and universal type; others include Indian pitas."

netlingo...
As in, "What a PITA," it is an acronym used in online chat, e-mail, or newsgroup postings.

urban dictionary...
Acronym for Pain In The Ass, a major annoyance.


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