v. The uncomfortable sensation resulting from a turd repeatedly pressing against the rectal sphincter and having to be squeezed back in; analogous to a prairie dog popping its head in & out of its burrow.
A Prairie Firecracker is when the women your are with is on her period. While having anal intercourse, you simultaneously pull out her tampon. The string of the tampon acts as the wick while the removal creates the bloody explosion.
A Prairie-Masker is when a girl gives a blowjob while she has an Alka-seltzer tablet and some water in her mouth.
The definition was coined abord U.S Naval submarines, named after the Prairie-Masker anti-sonar detection device employed by submarines. The Prairie-Masker anti-sonar system works, in a nutshell, by creating a barrier of bubbles around the ship thus reducing noise and detection by hostile sonar devices.