Someone who doesn't like you. Pretty much, its a person who is part hater and part poser.
plural form is byterz.

Made famous by the JabbaWockeez; Byterz will be eaten!!!!!!
Person #1: "Ay ay listen to my rhymes; those JabbaWockeez are JabbaWhack, Status Quo is where its at."

Person #2: "You a byter...and no; Jabba Modern is where its at."
by jabbamodern/enzo v May 2, 2008
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a regular 20 inch bike with 16 inch wheels and a 16 inch bike fork 2 give it the low look usually custom made with paintjob and wheels and a whole bunch of hook ups brought in wortown,ma ridin by da latino's
"yo check out dat LOW BYTER its all chromed down"
by anomonousdude October 24, 2006
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