What is Ins And Outs?
1.
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
See
2.
details; complicated details
I couldn't remember all the ins and outs from the movie, so I just gave a summary
See
