It is a act that two or more people have it is how you make babies first you enter the penis in the vagina and sperm produces and sometimes it ends up with a baby.
Jordan and Alexia have sex every day and cant stop
An excuse to put your fanfictions in urban dictionary.
Jane: Hey, why's there a bunch of fanfictions in the definitions of Sex?
Jack: I don't know.
A way of making love and reproducing
Ex. Penis + vagina/pussy = sex
Ex. Penis + anus = sex
I’m like having sex with my gf