A fork of Rural Dictionary
Works best with the fellatee standing and the fellator kneeling. At the crucial moment, the fellatee pulls the fellator's lower lip out (much like a mailbox) and deposits a load between the cheek and gums.
"Hey Dean, look over by that dumpster. He's givin' her a Des Moines Dip!"
When the man shits in an unsuspecting female’s mouth and forces her to swallow. He then sticks his dick down her throat to make her throw up. He then makes her eat the vomit containing the shit
My girl broke up with me because I gave her the ol’ Des Moines Double Dip