A girl who everyone loves until you get to know her. She's very pretty and everyone wants to be friends with her. However, when you get to know her you find out she's a huge liar and a horrible friend. All she cares about are boys and being popular (she doesn't really like the boys, she just wants to date them). She's a cheater and a manipulator. However, she doesn't show her true self for a long time, so she's popular and has many friends that adore her. Even though all she cares about is herself.
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McKenna is a hot young gal who was cute blonde hair and stunning blue eyes. She is pretty intelligent, especially in the arts, and has the power to make any guy like her, even people named James or Alex. A McKenna might want to dress sexy or just plane when going out with her family and siblings. Although almost perfect, she can be a tad pissy sometimes. People are really turned off about her lack of sharing.
Man that McKenna is pretty hot, but can you ask her if I could borrow her excercise ball?
Yeah... hold on a sec
By the way, she said no and to not steal it while she goes on vacation
by AprilFoolsByBrother April 1, 2017
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A man-stealing bitch who has an obnoxious laugh and is very fake to others. She will do what ever it takes to be #1, even if it means betraying her closest friends. McKenna's are usually hated by most people and have a very small amount of friends. They have a short and stubby body figure, especially in the thumb area.
Girl: "She was such a McKenna!"
by DirtyMikeAndThaBoys February 28, 2012
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Because no one in this damn town knows how to run a computer, Mckenna is not and will not be defined
Dude Mckenna sucks

What? Mckenna sucks your Mckenna(10 inch penis)?
by Stevedawgy November 27, 2008
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Mckenna is a beautiful person inside and out until you get to know her and realize she’s just a rat. She pretends to be your friend until she turns around and stabs you in the back. She’s very fake and is a trickster.
by shfiwhsk November 26, 2018
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A short blonde who sometimes can be a little racist. A McKenna can tell Mexican jokes all day long.
Did you hear McKenna say she hates Mexicans?
by LDsavage47o February 7, 2018
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