Top Definition
A rather large penis
hey baby, vaant to see my penis maximus?

i got the cleanest, meanest, penis maximus, ya never seen this stroke of genius
by alvinsanity June 07, 2006
1 more definition
10 Words related to penis maximus
When a penis is erect.
Jared's penis achieved a state of penis maximus prior to penetrating the winsome Janet.
by kuvopolis September 05, 2008

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