Deano’s answer to: “How long does it take for the average penis to go from completely flaccid to completely erect, given the optimal sexual stimulus?” Posted on August 1, 2011 by Deano in Q & A The "average" penis? No idea! How long does it take for the average penis to go from completely flaccid to completely erect, given the optimal sexual stimulus? Rate this:Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email More Click to share on Reddit (Opens in new window) Reddit Click to share on LinkedIn (Opens in new window) LinkedIn Like Loading... Related Published by Deano View all posts by Deano