noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of original original original poster (“the original poster of material that has been quoted or linked to within a post that has also been quoted or linked to in turn”). Internet, abbreviation, alt-of, countable, initialism, uncommon, uncountable

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.