It’s when you are getting/giving such good head on a motorcycle that you cause the driver or drive of a cliff.
by DingusDan1028 July 04, 2019
when a man and a woman have sex and the woman is on her period, the man pops her cherry and then starts having anal sex with the woman.
Jim: "hey, me and my girlfriend took the red dirt road last night"
Fred: "yeah man, when the red river flows, take the dirt road home"
Fred: "yeah man, when the red river flows, take the dirt road home"
by Lorf29 December 29, 2015