A satiric misspelling of 'indefatigable'. Coined originally by the son of a wealthy oil baron, the term has spread throughout the online manosphere.
The word frequently appears in the Epstein Islandflight logs, alongside the letters 'NTV'. Forensic investigators are unable to determine its significance within the manifest.
After a long day of mowing lawns for $400 an hour, you mayfeel inthefatibagel.