Possible Clues:

• Bit of literary contrivance
• Lingo, tad barking?
• Spurious classical language
• What 11 used to prescribe for his best friend?
• Perhaps can is too beastly for classical scholars
• Phony language that could come from old giant
• Lingo tad faulty?
• Canis gets the French can to be classically incorrect
• Funny old giant's debased sort of language
• Canis, perhaps, gives tongue