In preperation for sex with a virgin the
male enters the females vagina a few times in order to prepare the vagina for
intercourse.
This technique is usually done a month or so before the actual
act of sex takes place.
Whether or not this counts as sex is highly debated
Jim: Yea my
girlfriend wants to fuck so we have been doing ins and outs
James: Wait so doesn't that
mean you've already taken her virginity?
Jim: Yea but dont tell her