Nicknames presidents may have given to their penis:

- Millard Fillmore - Ol' Filler
- Abe Lincoln - The Stovepipe
- Ulysses S. Grant - Union General
- Theodore Roosevelt - Big Teddy
- Warren G. Harding - Little Harding
- Harry S. Truman - The Dewey Beater
- Lyndon B. Johnson - The Gobbler
- Bill Clinton - Big Stogie
- George W. Bush - Lil' Dubya