rot

Fix'd like a plant on his peculiar spot, / To draw nutrition, propagate, and rot.

Your brain will rot if you spend so much time on the computer, Tony!

to rot vegetable fiber

to rot in prison

Adrian thought it worth while to try out his new slang. ‘I say, you fellows, here's a rum go. Old Biffo was jolly odd this morning. He gave me a lot of pi-jaw about slacking and then invited me to tea. No rotting! He did really.’