Someone who has the same birthday as you. It is refered to as a shared birthday. Some may refer to it as a mutual birthday. Facebook is notorious for displaying all your friends' birthdays on your homepage to see common birthdays. When the time for the birthday comes, one friend says happy birthday to another and the other friend replies the same way. It is a known fact that people enjoy discussing common birthdays.
Guy 1: Dude, did you know Jay Leno is a birthday buddy with Jessica Alba?
Guy 2: Yea, I saw it on The Tonight Show last night.
Guy 1: Yea, they're both on April 28th.
Guy 2: Yea, I saw it on The Tonight Show last night.
Guy 1: Yea, they're both on April 28th.
by buddy holly87495 April 17, 2009
Get the birthday buddy mug.The mass number of facebook wall posts that one receives on his/her birthday, especially from people that the recipient never talks to.
Guy 1: Dude, I've been getting wall posts all day, I don't even know half the people writing on my wall.
Guy 2: I know, the birthday barrage can get pretty annoying sometimes.
Guy 2: I know, the birthday barrage can get pretty annoying sometimes.
by achris9 February 19, 2009
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Person 1: happy birthday! I guess that means we're birthday neighbors.
Person 2: really? Was your birthday yesterday or is it tomorrow?
Person 1: my birthdays tomorrow.
Person 2: well happy early birthday, birthday neighbor.
Person 2: really? Was your birthday yesterday or is it tomorrow?
Person 1: my birthdays tomorrow.
Person 2: well happy early birthday, birthday neighbor.
by Random person #135689293190 June 29, 2017
Get the birthday neighbor mug.from midnight to midnight on the day of your birthday, you can say and do whatever you want without consequences.
by bdayimmunity May 24, 2010
Get the Birthday Immunity mug.A mental state indicating a period of intense revelry and hardcore drinking on the part of one or several people.
Jonno: “I’ma go into Birthday Mode this Saturday”
Blizzle: “Oh man, is this gonna end with neon-colored vomit all over your room…again??
Jonno: “Dude, that was Neil’s last Birthday Mode”
Blizzle: “Oh man, is this gonna end with neon-colored vomit all over your room…again??
Jonno: “Dude, that was Neil’s last Birthday Mode”
by blizzlinBR January 19, 2009
Get the Birthday Mode mug.by pheiticeira February 25, 2011
Get the birthday o'clock mug.To defriend someone on facebook on their birthday when you don't care to wish them a happy birthday.
"I just pulled a birthday defriend. He totally won't notice since he'll be so distracted by all the 'happy birthday!' comments posted on his wall."
by its_just_easier February 27, 2012
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