It means "all up inside". Inside of what, you may ask. Well, just use your imagination. It and mean all up inside of just about anything.
1) I spread that bitches cheeks and thowed tung allupinzoid.
2) I had a major boog stalagtite so I had to thow finger allupinzoid to dig it out.
3) She was beggin for the thobby noodle so I thowed it allupinzoid.