The penetration of the penis into the
pelvic cavity, resulting in partners being
pelvis to pelvis as in
the missionary position with sexual organs being totally obscured by pubic hair.
Repetitions of this procedure are referred to as 'having sex,' 'fucking,' screwing, etc.
Rick had a
bad habit of cumming upon entry with one simple
penetration, leaving
Marsha frustrated and resorting to masturbation for release.
