1 definition by Ivegotballsofsteel

That 30 second period where there is no possibility that you could act fast enough so that a roommate opening the door would not catch you in the act of masturbation, even if said door was locked.
He walked in right at the end of my cum shot vulnerability period and i barely had enough time to pull my pants up.
by Ivegotballsofsteel October 5, 2010
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