Top Definition
refers to a penis which is larger than average, usually in both length and girth
Don't call it a fat cock. Call it a magnum phallus. It's classier that way.
by Überschwanz September 04, 2006
7 Words related to magnum phallus

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.