ยสตน

Etymology
Abbreviation of, literally "to do it raw and cum inside".

Noun

 * 1)  unprotected sex.
 * 2)  creampie: the discharge of semen in a vagina or anus.

Verb

 * 1)  to engage in unprotected sex.
 * 2)  to creampie: to discharge semen in a vagina or anus.