To have sex as quickly as possible in order to take advantage of fast moving blood to the extremedities. Used most commonly pertaining to older men with erectile dysfunction and their partners taking advantage of the opportunity when it arises to have pleasurable sexual relations.
"Girl... He had his pH6 flowing, so I gots to be going..." Or, "Hubby's pH6 is up, so I'll be right back..."
by WhiteGirlOnTheRez March 26, 2019
