Top Definition
A general term for a penis of gargantuan size and girth. Officially the super-heavyweight of the phallus world. Legend suggests the name relates to a rural Norfolk man 'Og' who, it was rumoured packed a serious trouser serpent.
Synonyms

1. mammoth, gigantic, colossal; vast; stupendous; bulky. HUGE, ENORMOUS, IMMENSE, TREMENDOUS imply great magnitude

"Wow dude, he just whipped his Og's log out in the urinal and I sucked in comparison"
by Ace87 January 28, 2012

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