Top Definition
A Realllllly large skirt (for obese women). Basically a large piece of fabric. Can also be a tent, a picnic blanket, a beach towel, a curtain, a flag, a snuggie, a toga, a table cloth, etc.
Hey Ellen, that girl has a megaskirt on, she looks like an elephant!
by Bahopeayo December 25, 2010
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