• leathery, stringy, tough
• to fret, to fret oneself, to mull, to noodle
• chewing gum, chewing-gum
• to brood on sg, to brood over sg, to chew over sg, to chew the cud, to chew upon sg, to noodle sg around
• to chew the fat, to chew the rag
• to chew the fat, to chew the rag