ORIGINS: It is speculated that the tradition of celebrating birthdays began with . one to eat on, one to be happy on, and yet another spanking to get married on. Spankings? YES!!! Outside reads: Birthday (on a wooden paddle) Inside reads: Bend over! + Card measures A7 (5” x 7”) on # bright white matte card stock +. There are many and varied customs associated with the celebration of birthdays around the While the birthday cake is being brought to the table, the song Happy Birthday to You is sung Similar to birthday punches are birthday spankings.