The meaning of the Acronym PENIS is...

PENIS is

• Partners Enganged Notoriously In Sex
• Proportionally Enhanced Natural Intercourse System
• Person Enjoying Nuckie In Secret

More Meanings For PENIS:

• Partners Enganged Notoriously In Sex
• Proportionally Enhanced Natural Intercourse System
• Person Enjoying Nuckie In Secret
• People Entertained Never in Sports

PENIS is also in:

• Adults
• Funnies