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1.
Much like "Double penetration" and "Triple penetration," it is the act of 4 male genitals entering a females body through each "hole," at least one "hole" will have two male genitals inside. "Hole" refers to the female vagina, the anal hole, or the mouth.
"Quadruple Penetration" may be prominent in something like porn.
by Just another contributor October 29, 2013

Words related to quadruple penetration

double penetration triple penetration