Mexican Birthday Cake 

When you send someone (who is in jail) a cake with a file in it

Pedro got busted for mastubating in public and was put in jail. So his best friend John sent him a Mexican Birthday Cake

Mexican Birthday Cake by Pedro_Salty_Ballz August 8, 2009

mexican birthday cake 

The act of eating several helpings of beans and deficating them on somebodys person.

I gave Sherry a mexican birthday cake and she was delighted to receive it.

mexican birthday cake by scott negley March 25, 2007