Jeff Mode Share definition Flag When you go full retard (never go full retard) and grab your dad by the collar and shake him. Me: Hey Bro, did you see what happened to James?Friend: Yeah, I heard his brother went Jeff mode. Jeff Mode by Senna117 January 9, 2021 0 0 Get merch Get the Jeff Mode mug. Buy Now — $32.95 See more merch
