The act of placing your penis in some sort of box, then telling small children, "There's A Pony In there," leading them to open the box to a big surprise.
by Lester Dechildren September 8, 2006
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There's A Pony In There • there's a first Sunday in every month • "there's a bat in da cave" • there's a cat under your hood • There's a condom behind that bookshelf • There's A Cream For That • there's a deer on your wall • There's a German in your computer • There's a high • There's a Hole in the Bucket