Comes from the modern english urban term 'ring rust'ie to have dried spunk round your ass hole.
Person 1:"Willis my arse has rinust thanks to you"
Willis:"Well Ive been shooting my juices in it all weekend and you havnt washed your crack"
jadleeによって 2008年02月29日(金)

Words related to rinust

arse crack juices ring rust shooting spunk