Possible Clues:

• Expression from endless fool getting married
• Form of words in wedding response keeping one married?
• Characteristic style, vocabulary
• Man following some subconscious speech pattern
• Peculiarity of phrase in a language
• Style of speaking characteristic of a specific group
• Challenge for a nonnative speaker
• Form of language that's the same on island
• Turn of phrase that shows who I am when I'm backed
• Shoot the breeze, e.g.