Definitions by Piffin.

Phallic Fallacy 

When a guy lies about the size of his dick to someone he's trying to have sex with.

A: I heard Mark told his date that he was hung like a horse. She wouldn't stop laughing when the Magnum just kept falling off.
B: What a phallic fallacy!

Phallic Fallacy by Piffin. March 4, 2017