One of the mysteries of the English language finally explained.
Expressing surprise, commiseration, indignation, etc.
1930s; earliest use found in Lawrence Durrell (1912–1990), novelist and poet. From modern Greek πωπώ (also in form ποπό and with reduplication to three or seven syllables), interjection expressing surprise, admiration, disapproval,disgust, sorrow, etc.
po po po/ˌpɒ pɒ ˈpɒ/
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