Related Clues:

• Having quarrelled with, scribble a rude note to pop in
• Rag due (anag.)
• Had a tiff
• Debated, contended
• Made one's case
• Fought rough having spilt blood outside
• Locked horns
• Had a battle, perhaps
• Rumbled
• Traded points
• Had words with busy guard over drugs
• Spoke in court
• Had a spat
• Took part in a debate
• Made a case for busy guard handling ecstasy