laggin like a motherfucker Share definition Flag A term used to describe the amount of fail lag at gigabits lan center. Im up here at gigabits and it's laggin like a motherfucker. P.S. Tom says "Hi!" laggin like a motherfucker by Sapp726 July 14, 2009 0 0 Get merch Get the laggin like a motherfucker mug. Buy Now — $32.95 See more merch