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1.
August 18 is only the day extremely hot and sexy people are either born or celebrate their birthdays.
man 1: hey buddy, my wife gave birth to a baby boy on August 18.
man 2: better watchout man, ur lil' son may be fuckin hoes soon.
by Mr August August 05, 2012
 
2.
Percy Jackson's birthday, hence the almost-best date in the world--second only to May 2nd, the epic date when Harry Potter defeated Lord Voldemort at Hogwarts.
August 18 is the best birthday ever.
by 7.5Fan July 20, 2011
 
3.
the birthday of hairy people
Wahhhhhh look at that hairy man, bet he waas born on august 18.
by noneofyourbuisness:P May 27, 2011