When you use your genitalia as a paint brush to paint a picture, can also be the term for pressing your genitals up against the glass of a window for the world to see
Lewis would be good at Bob Rossing if his penis wasn't so small
by bob rossing June 24, 2021
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The act of making a change in an activity or object that although initially may seem like ruining it, it's benefitial in the end product.
"Dude, I thought she would ruin the presentation but she totally Bob Rossed it"

"Dont worry for the chilly sauce in the ice cream, I'm just Bob Rossing it"
by JoyFerret May 19, 2018
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Bob rossing. When you have anal sex and use the excess fecal matter to paint a happy little tree on their lower back
Samantha wants a good Bob rossing this evening
by Moist mustard April 3, 2019
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