Possible Clues:

• Like some sprays and voices
• Northern Irish donkey brays harshly in this manner, perhaps.
• Astronauts left through the nose
• Twangy, as a singer
• All stuvved ub
• A nosepiece on a helmet
• Some revolutionary formula sanctioned for type of spray
• Like Willie Nelson’s singing
• ___ spray (certain decongestant)
• Like the vowels in "uh-uh"