bashing one out Share definition Flag Male masturbation, Having a wank, Stimulation of the penis to rach a climax. Got excited today and then went home for a wank. I was there bashing one out when the misses walked in. bashing one out by Gavdddaa December 30, 2006 0 0 Get merch Get the bashing one out mug. Buy Now — $32.95 See more merch