Womentum Share definition Flag A play on the word "momentum". When an angry women starts bitching at another fellow human, thus becoming increasingly angry at her subject. Jane really gave him shit last night, it seemed like she gained a lot of womentum. Womentum by Taigen June 16, 2017 0 0 Get merch Get the Womentum mug. Buy Now — $32.95 See more merch