Top Definition
the scientific name for some one who has a rather large girth (penis circumference)

this is often confused with the word chode but is different because the length of the penis is also rather satisfactory where as with a chode it resembles a milo tin (short and stumpy)
jordan: so, how did she handle the girth?
andrew: not well, i split her like a watermelon
sandra: (walking past) fuckin girthius maximus!
andrew: SORRY!
jordan: man look at her! shes limping...
sally(sandras friend):how do u measure up on the girthometer? i heard ur a giant!
by greg jameson August 14, 2008
7 Words related to girthius maximus

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