poag Share definition Flag Acronym for “Person other-than a grunt”. This is a derogatory term given to non-infantry soldiers by infantry soldiers or “grunts”. “Jimmy, you aint been in the shit, you fucking poag.” poag by madcatz November 16, 2005 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug