Excessively masturbating until the upcoming event of a raw and bleeding penis. RubTub; being the fun part of the event, and Machuggin; the perseverance to get to that point. This is the step Men achieve past Extreme levels of masturbating to reach a common and difficult nut.
Scientists say that RubTub Machuggin' is extremely unhealthy for anyone to accomplish. Studies show that too much RubTub Machuggin' can lead to a leathery foreskin.
We do not insist on anyone subjecting to RubTub Machiggin'; perform this only if you are an experienced RubTub Machuggin' licensed Machugger.
"Oh my God! Your foreskin feels like leather!" - Jane
"Yeah, I used to be really heavy into RubTub Machuggin'."-John
“Material” used to enhance the enjoyment of rubbing one out. May be old fashioned porn mags, online porn, pics/images or just a good old filthy, vivid imagination aka spank bank.
I racked up an online porn Bill this month. I need to cut back on the costly rubterial and just scroll though instagram.
I used photos of the milf next door for rubterial.