A Scapoodidle is a way of defining someone that you would just nut in the their oat meal then think back on the time you busted a quick one In their oatmeal.
From the song, "Shapoopie," as seen in "The Music Man," a play about a man from Gary, Indiana who makes a boys band in Iowa and falls in love with a librarian.
Shapoopie, shapoopie, the girl that's hard to get.
Shapoopie, shapoopie, but you can win her yet.
v. the act of squirting a travel-size bottle portion of shampoo up one's anus, and then proceeding to bend over a willful and participating lover's head, from which the carrier of shampoo releases it on their head, giving them a thorough and affectionate cleaning.
When I got back from my trip, I was dead-tired and just wanted Melissa to give me a good shampooping; she refused of course, that fuckingprude!