root words: ngitngit + asal + gawi
ngitngít
anger, rage, fury
asal
behavior
gawi
habit
pinakanakakapagngitngitngitngitang-kaasalang-gawi
habitual behavior that causes the most extreme anger
This compound word comprises forty-seven (47) letters and sixteen (16) syllables. It was reportedly coined by Aida Bonuel Silva, an Education Program Supervisor of the Division of Pasay City in Metro Manila.
She also coined the slightly shorter pinakanakakapagngitngitngitngitang-pangyayari, which has forty-four (44) letters and sixteen (16) syllables.
Although these compound words are grammatically correct and easily comprehensible to Filipinos with native fluency in Tagalog, they are still not listed as entries in standard dictionaries.