Cus is just a shortened version of the word BECAUSE. It's often used in song writing/singing, simply for the fact that it flows better and is much easier to sing.
"Cus well never have to fight again there's no reason now
cus all you need is love and love is all you've ever found
don't you know my friend that you know how
cus i am you and you are everything you think about" ~ Corey Gray
by mormonchick June 10, 2013
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A greeting or salutation used to say "hey" to a friend or NIGGA you know.
by TriJimidy October 04, 2008
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One who pretends to be innocent and sweet but really is very perverted and horny.
Someone tells you he hates going to the strippers and then you bust them going by themselves, they are very an cus
by i am non ms December 01, 2006
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