by RandomFandom August 29, 2018
HIIF, standing for High-Intensity Interval Fapping (or High-Intensity Interval Humping), meaning that you switch between fapping (or humping) intensely for a certain duration of time, and then stopping for another duration of time, see HIIT ( High-intensity interval training ) for the more generic exercise version.
"Hey John, you coming over tonight for the orgy?"
"Nah mate, I can't, I did some working out yesterday, did a HIIF and now the PP is broken."
"Nah mate, I can't, I did some working out yesterday, did a HIIF and now the PP is broken."