Related Clues:

• Kind of psychology
• Small business co-owner?
• (K) Snap, Crackle and ___
• Shooting sound
• Soda
• Cork sound
• Spring (for)
• One in a union with 37-Down
• Loud noise
• Explosion sound
• Loud sound
• With 6-Across, online annoyances
• Some music
• Mainstream
• Firecracker sound