Possible Clues:

• Cringe if hundred and one in the red
• Grovel as in fear
• 'Rustle' Crowe (cringe!)
• Cringe, crouch
• Have debts: if creditor's about, crouch in fear
• Penniless poet seen to cringe
• Cringe coming from cowcatcher losing Dolly
• Wild crow eats the last quail
• Show fear, quietly shunning poet
• English poet lacks the power to emulate Burns's wee beastie