All sorts of things come into play here, but usually with enough testosterone the male can send his homemade gunge into a female orifice or simply into open space.

各种各样的事情都在这里发挥作用，但通常雄性有足够的睾丸激素可以将他自制的 gunge 送入女性的孔道或直接进入开放空间。