Related Clues:

• Rattler's threat
• Fang output, at times
• Nasty words
• Toxic substance
• Black mamba's weapon
• Adder injection
• Gila monster's weapon
• Krait's weapon
• Fang delivery
• Viper's poison
• Cobra product
• 'Spider-Man 3' villain
• Resting over jellyfish or nettle
• Toxin
• The Po is on the move around the North