1) While doing a female doggy
style, the male withdraws his penis
from the female’s vagina prior
to ejaculation during intercourse (coitus interruptus), at which this time, the semen ejaculated onto the female’s back is then being
collected in the dimples of the female’s lower back.
2) While doing a girl from behind, the guy pulls
out and nuts on the girl’s
back. The jizz is then
collected in the dimples of the girl’s
3) Indentations on a girl's lower back that can be used as thumb
grips during doggy
to becoming filled with semen.
Synonyms: 1) Dimples of Venus; 2) Sacral dimples; 3) or simply, back dimples.
"I was at the gym (or beach) yesterday and I saw a girl with cum reservoirs
on her back!"
"Ughhh... yeah, do me doggy
style baby, and before
you cum, I want
you to pull out and fill up my cum reservoirs
that scene in "Kick-Ass" awesome when
Kick-Ass was rubbing lotion his friend’s back, and the camera
panned down for a perfect close-up of her cum reservoirs