the answer dry as... is a Texas oilfield from the time of the boom in East Texas. although it didn't happen much at first wildcatters would find that their well did not come in "That well was a dry as a popcorn fart" from the land where they call cokes soda.
"That oilwell was as dry as a popcorn fart"
by Dogvideo September 24, 2022
"Damn girl, your cuter than popcorn farts"
by Playa 😎 July 11, 2017