Simplify the following text for a Grade 14 native English-speaking person.
Original: Soggy biscuit , sometimes also called The Biscuit Game , Sticky Biscuit , Cookies and Cream , Limp Biscuit or Ookie Cookie is a male masturbation game which originated from the United Kingdom in which the participants stand around a biscuit masturbating until ejaculating on to it ; the last person to do so must eat the biscuit .
Simplified: Soggy biscuit ( also called limp biscuit , or ookie cookie ) is a masturbation game played mostly by teenage groups in which the participants stand around a biscuit masturbating until ejaculating onto it ; the last person to do so must eat the biscuit .