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1 definition by Mooloomen

Neck up means to ask someone to stop speaking un-truths. And it also is a non polite way to persuade a person or individuals to cease their conversation, or to "shut up".
Hodgo: "Union players are all gay champ, bogans are fairdinkum tops"
Jango Fett: "Neck up cocksmoke/belter!"
by Mooloomen August 04, 2006
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