Deceptive or false appearance of one's own penis size.
Jen hooked up with Jake after the rumor of his man hood spread, only to be deflated by the phallicy that made her so curios in the first place.
1. a deceptive, misleading, or false notion, belief, etc. expressed for the benefit of one's penis
2. a misleading or unsound argument supporting an act which would be pleasurable for one's penis
3. deceptive, misleading, or false nature regarding one's penis, esp. size; erroneousness in relating facts regarding one's penis
4. In logic: any of various types of erroneous reasoning that render arguments supporting an act which would be pleasurable for one's penis logically unsound
He boasted that he was well-endowed, and this became a commonly believed phallicy.
He said he loved her, but it was only a phallicy.
All of his former hook-ups accused him of phallicy.
The most commonly used phallicy the fourth kind is "Everybody's doing it."