Wicked Campers must remove violent, misogynist, racist and homophobic slogans from its rental fleet, activists say.

The Brisbane-based hire company has established its identity by painting shocking and lewd slogans on the side of its campervans vans for years.

One of the Wicked Camper vans that does not feature a slogan.

Community outrage at one particular slogan - "in every princess is a little slut who wants to try it just once" - led to the federal Senate unanimously passing a motion calling for it to be removed in July 2014.

At the time Wicked Campers founder John Webb removed the slogan, but activists say there are still countless other offensive slogans on the vans.