A gap in which you have to silently masterbation while in the same room as someone else without getting caught
Person A "hey what were you up to last night?"
Person B "I was doing the silent but deadly fap challenge, how about you?"
Person B "I was doing the silent but deadly fap challenge, how about you?"
by Wanna date? November 10, 2019
Get the Silent but deadly fap mug.