birthday cock 

The act of sticking one's penis in a significant others' birthday cake and using the tip of the penis as a serving knife

Kathy's mom was shocked to see Kathy's boyfriend using his birthday cock to cut the imported tiramisu

birthday cock by billclintonsblowjobs March 1, 2015

Birthday Cock 

The act of recieveing a cock as a gift on one's birthday.

My birthday was awesome, I got a Birthday Cock from Alex all tied up in a bow.

Birthday Cock by Helpful_Vaporeon November 29, 2017

Birthday Cock 

Something a female figure (i.e Mother,Sister, Step-Sister, Lesbian Friend, and or Wife/Girlfriend) give a male figure for their birthday. It is an act of sucking the "cock" aka the Penis on their birthday. And since its the male figures birthday, they get to have their way with the female figure (i.e rough and tough)

Hey Sally it's Jareds birthday!

Oh does that mean I have to do Birthday Cock?

Oh yes, yes, yes. And its going to be fun.

Birthday Cock by SovietMcDonalds November 25, 2018

chocolate birthday cock 

the act of eating and swallowing another human's feces, throwing it back up on their penis, then sucking their penis until they ejaculate.

i hooked that nasty walrus of a woman up with some chocolate birthday cock

chocolate birthday cock by mrs. p January 14, 2009

Big birthday cock 

A cock that is big basically because it's the person's birthday.

Omg let me see that big birthday cock, it's your special day after all!

Big birthday cock by LingDanc803 April 11, 2023