To try to have sex with a woman while she is sleeping. Usually this is done to a girlfriend or wife. Otherwise some of the more conservative people could profile this act as rape.
Guy 1: Hey man what are you doing?
Guy 2: Nothing just at my house and my girl is asleep and I really need to bust a nut.
Guy 1: I recommend you sneak one in.
Guy 2: Capital idea!
Guy 2: Nothing just at my house and my girl is asleep and I really need to bust a nut.
Guy 1: I recommend you sneak one in.
Guy 2: Capital idea!
by Senor Ringpiece August 18, 2009
I had my hair cut today, the stylist' breasts rubbed against my arm, so I decided to start sneaking one out under the gown
by Angel Rangel November 25, 2013
by creedmoor November 23, 2004