Originating from old Irish, the McGwire was the village man who always thought of himself as big and grand, when in reality it was much talk. The McGwire would always be hated upon by other villagers.
"omg that guys is such a McGwire"
A charming and pleasing gentleman, who which is great at sex and normally has a huge penis.
"Wow I bet he's a Frank"
"Wow I bet he's a Frank in bed"
© 1999-2015 Urban Dictionary ®
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