Top Definition
Plastic spiral ponytail holder. It's the only hair accessory with a utility patent because the way it works is based on a unique technology that divides the pressure throughout the layers of the ponytail, not just on the outer layers like everything else out there.
I hate the way rubberbands pull and rip my hair! I'm going to use a moni poni to hold my ponytail.
by beweli March 02, 2011
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