OAF Meaning of OAF in English n. (pl. oafs) 1. an awkward lout. 2 a stupid person. Derivatives: oafish adj. oafishly adv. oafishness n. Etymology: orig. elf's child, var. of obs. auf f. ON {aacute}lfr elf Oxford English vocab. Оксфордский английский словарь. 2012