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When someone steals another ideas in an underhanded douchbag sort of way
1. That song was vanillaiced from tori amos.

2. Microsoft vanillaiced windows 7 from Macintosh.
by staffmaster64 May 30, 2011
It's a put down, like when you punked like Vanilla Ice.
"you just got vanilla iced"
by Zacquel September 12, 2006