Top Definition
Referring to the child toy where one inserts various shaped blocks though matching holes through or into the toy. Comparing the difficulty to doing much harder mathematics, making the person(s) seem stupid.
People who jerk cannot dance compared to people that can actually breakdance.
Someone that does something really shitty compared to Someone that does it really well.

Someone is "on shapes" if they do something very stupid.
"aw man im jerkin'"
"dude youre on shapes

"haha i raw dogged that fat hoe last night"
"haha youre deff on shapes
by john taffy March 03, 2010
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