Possible Clues:

• Hissing sound
• Making a hissing sound
• Is taken aback a small amount about network making hissing sound
• Member of political party is upset over soldier hissing
• Hissing
• Consonant with a hissing sound
• Like 'sissies'
• The saint is whistling about lib back there
• The saint, his sound about lib up there
• Like sassafras