Fromquad- +‎boob

• (Received Pronunciation)IPA^(key):/ˈkwɒdˌbuːb/
• (General American)IPA^(key):/ˈkwɑdˌbub/
• Hyphenation:quad‧boob

quadboob (pluralquadboobs)

1. (paraphilia,pornography) Amultibreast having exactly four breasts.