Term: dusty wind tunnel
Example: as marco is plunging deep into jordan's squishy anus, jordan's bowels conduct in orchestra of flatulence that envelop marco's erect penis, producing the dusty wind tunnel effect
Definition: dusty wind tunnel \ˈdəs-tē ˈwind ˈtə-nəl\  an elusive phrase only recently recovered by modern day intellectuals, the dusty wind tunnel is a pleasurable experience for all parties