When sexual intercourse occurs and it is kept secret between the parties involved, and possibly a few close friends.
Riley: I had sex with Sofia last night at her crib.
Ryan: Dude, that's awesome!
Riley: Yeah but don't tell anybody, it's an inside poke.
Ryan: Dude, that's awesome!
Riley: Yeah but don't tell anybody, it's an inside poke.
by Criler August 19, 2009