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1.
To give you best on something, to reach your pinnacle
The third marking period book project was really my Sgt. Pepper but I still got a C-.
by Ajhawk47 June 02, 2008
 
2.
1.) Short for the Beatles album Sgt. pepper's lonely hearts club band.

2.) The best album of a band.
Too bad their first album was already their Sgt. Pepper's.

'Harvest' is Neil Youngs Sgt. Pepper's. - You serious? 'After the Gold Rush' is!
by Schmierwurst November 12, 2008
 
3.
The almighty Penis of Penises. One look at this magnificant specimem will make you contimplate suicide over how little it makes you look. Rumored to be 17 feet long and 2 feet wide, this beast of pleasure is only found in one part of the world, and only one is allowed to use it.
Guy one: I just saw a freakin monster!!
Guy Two: Where!?
Guy one: In the locker room!!
Guy two: Oh that thing on Adrian? Thats just what his girlfriend calls Sgt.Peppers i heard
by Sgt.Peppers451 September 02, 2010