Fatty Jerk Share definition Flag When a man puts his penis between the fat rolls of his partner, who then flops up and down to simulate a handjob. That man is a chubby chaser because he loves getting fatty jerks. Fatty Jerk by Catherin Zeta Jones December 4, 2011 0 0 Get merch Get the Fatty Jerk mug. Buy Now — $32.95 See more merch