great scott 

An English expression when one is great rivited or surpised.

Great scott! Cried the english man as he walked into the room.

great scott by Iggy128 June 28, 2004

Great Scott 

Used by crazy, wild-eyed scientists who are into time traveling and hanging out with high school boys.

Great Scott, Back to the Future is awesome, but why does such an old dude hang out with a high school kid.

Great Scott by ThE LaTe JC March 22, 2005

great scotty 

Used to express shock and surprise.

"Look, Britney Spears is in the lastest issue of Play Boy... Ew."
"GREAT SCOTTY!"

great scotty by Pimpette Masta J December 8, 2003