Girthday 

Similar to a birthday, except instead of celebrating the day a man was born, he celebrates the day in which his penis reached its maximum girth.

Hey ladies!! Today is my girthday, and i was hoping you'd celebrate with me by letting me go deep inside! Whaddaya say?

Girthday by MikeyB1980 January 16, 2014

Girthday 

An annual honest celebration of what truly matters for your pecker when you Geshmoigedy.

-Sup, Sophia, what's hangin?
- Oh, nothing much. Preparing for Paul's Girthday tomorrow. After his Bar mitzvah it's an even bigger feast.

Girthday by Diggitar Glady Diggy November 28, 2021

girthday 

The day by which you loose ur virginity.

derived from the words girth and birthday...girth being the thinkness of the penis

jordan: happy girthday!
andrew: cheers mate, i cant believe its been 9 years now!!
happy birthday penis

girthday by <<*ROoOo*>> October 9, 2008

GirthDay 

Girth Day occurs every May 1. It is a day to honor those among us that are Girthier than the average man. Examples of honorees include: Arnold Schwarzenegger, Jean Baptista, and Ron Jeremy and Shane “The GirthLord God” Gasior
Happy Girth Day!

Happy GirthDay Losers

GirthDay by Shane “The Girth God” October 19, 2021

Girthday 

The day on which your junk is exposed to the observation of others for the first time.

Hey, Ethan, happy Girthday, man. Bravo!

Girthday by sacsacsac March 14, 2019

Girthday 

The day that your dick reaches maximum circumference, or girth

Ben: Hey dude when was your girthday?

Drew: Man my girthday was September 4th of 1969, the good ol' days.

Girthday by Literally_Awful February 19, 2015

Happy Girthday 

The morning on which a male wakes up and finds his cock to be much larger than the day before. Usually accompanied by fervent celebration, and parties (usually sex parties).

Todd: Dude my dick grew 1/2 an inch in girth last night!

Manuel: Congratulations man! Happy Girthday! Are you getting laid tonight?

Todd: You know it man!

Happy Girthday by FuctButSects October 24, 2010