1 definition by Brutus & Bluto Blockhead

Top Definition
Slang Name, no offence to any dude who might actually have this name -- I know of no Jack Armstrong. A dude who Jacks off so much that he has developed huge forearms as a result.
I think Popeye is a Jack Armstrong. Look at his forearms. He is a sailor and his girlfriend is OLIVE OIL. Together they found SWEET PEA.
by Brutus & Bluto Blockhead May 29, 2006

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