PAJ'd Share definition Flag An Acronym for the over-used phrase Pumped and Jacked. Can be used to describe oneself in a state of excitement, usually before a sporting event. Dude, I was so PAJ'd before that Sox game last night~!1!!!!!!11!!1! PAJ'd by Eric Popp March 6, 2008 0 0 Get merch Get the PAJ'd mug. Buy Now — $32.95 See more merch