Shamakakaka is similar to Soulja Boy's 'Yah!'. It's a
word that you use when your tolerance has maxed out. It's a
combination of 'Shut Up!', 'Get Out Of My Face!', & 'I'm Through With This Matter!'. It originates from A WhiteWood
Entertainment video starring Dave Chaney titled 'Shamakakaka'. The word started in Detroit and because of the video going viral, has spread nation wide.
Person 1: "Hey, Tommie! Come here! Come here, Tommie! Come
look at this right now!"
Person 2: "Shamakakaka!"
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Person 1: "You're such a bad student! You never
do your work, you always show up late to class, your behavior is
unacceptable..."
Person 2: "Shamakakaka!"