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a term made popular by mag J-17;
'the more toxic the boy the deeper the crush you'll get on him' 'play mind games they don't want you to know about to make you smitten'.

Toxic boy's common guises are that of cool indie/art boys (with archy eyebrows).
Me - Look at that cute indie boy with the ipod!

Friend - No wait, he's wearing cord, he must be toxic.
by Igloomode November 03, 2004
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