Findings:

• bah humbug
• bah
• bah weep graaagnah wheep, ni ni bong
• bah (user)
• bah! (user)
• Bahá'í Faith (node_forward)
• humbug
• WoOz: 16 The Magic Art of the Great Humbug
• Humbug Mountain

If you Log in you could create a "bah humbug!" node. If you don't already have an account, you can register here.