The teenager that sings the popular (by other teenage girls) songs such as the contradicting, lying, and shitty "Baby", "One Less Lonely Girl", and "One Time".

There have been reports of a penis in the pants, but a vagina in the voice box.
a: You know that Justine Beaver hasn't hit puberty yet?

b: You know that I mix him up with Miley Cyrus?

a: Doesn't everybody???

OR

a: OhEmGee! Who's the chick singing "baby, ooh baby" on the radio right now?

b: Oh ya know! Just Justine Beaver. She has nice pearly whites, pretty hair and a pair or bee ehhh yoo ti fool singing pipes!
by Cassafrass72 April 21, 2010
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Justin Beiber should seriously just go kill himself, and do the world a favor.
by justinbshouldjumpoffacliff December 8, 2009
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A much more apt way of saying Justin Bieber.
They are making Justin Wiener dolls.
by Ereck Flowers January 7, 2011
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When someone sends nudes to a person who is a minimum of 2 years younger than them
Ha that guy pulled a Justin Barbu on that 1st year
by Themanunderthetoll March 9, 2017
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Two people that are pure soulmate a they fall in lube when they meet
by Mspighafagb February 12, 2016
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