Best Excuse in the World

This has to be one of the best excuses in the world for a man to tommy tank to his heart's content. Doctors claim that to help battle cancer of the bollocks, amongst the usual don't wear tight pants, take vitamin supplements etc, they also recommend giving the old chap a good tug daily. Does that mean that calling a random bloke walking down the street "you wanker!" is actually a complement for good personal health practices?