fat grabbing Share definition Flag Walking up to a person and grabbing and pinching their fat around their stomache while pretending to give them a hug. *after grabbing fat. I just fat grabbed you hoe. or I'd like to go fat grabbing on that bitch. fat grabbing by Shannbaby April 28, 2008 0 0 Get merch Get the fat grabbing mug. Buy Now — $32.95 See more merch