look up any word, like bukkake:
champaign birthday is the birthday when your age matches the day you were born
example: you are born on may 18 your champaign birthday is when you turn 18
girl: its your champaigh birthday in two years
boy: in america you have to be 21 to drink alchohol not 18
girl: not your born may so your "champaign birthday" is when you are 18
by furby1122 May 18, 2009

Words related to champaign birthday

birthday champaign happy old