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A fat kid who throws milk at a faggots face because hes always being a bitch
Jesse: Hey antonio threw milk at carlos's face
Hugo :Yeah, hes a fuckkin milk-ninja , and carlos is gay
by Milk-ayla May 26, 2009
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2
Someone who in a stealth like performance drinks the milk, someone who is very Jedi when it is time for mass amounts of milk to be moved.
"MOM: Where the fuck did all the milk go?" SON: "I dont know I havent had any" all in the while he is smiling with complete accomplishment in his head, just like a true MILK-NINJA
by POLYCRENAPILUS August 09, 2008
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