Giddy Up 

Its origin has NOTHING to do with Seinfeld.
Used in the old west to spur the horses. From get ye up or get thee up.

(directed at a horse) Giddy up! Move on! Go faster!
(horse runs of a cliffside)

Giddy Up by Fried Ham March 17, 2016

Giddy Up 

the new "you betcha", "let's go", "i'm in", et. al.

Guy 1: You ready to go to the game?
Guy 2: Giddy Up!

Giddy Up by red October 28, 2003

giddy up 

in the show "Seinfeld", the character Kramer uses this word repeated. It means lets go/ready to go.

Bill: do u wanna go to the movies?
Mike: giddy up

giddy up by Rock N Roll Bitch December 18, 2005

Giddy Up 

upon introduction to a new idea or plan, this phrase is used.

emily: "let's go a new party."
bobby: "giddy up"

Giddy Up by emily July 24, 2003

Giddy Up 

When your just on your way, not just a travel destination but just anywhere.
When something is just going your way!

Snowman: Another round?
YoNoid: Giddyup

Giddy Up by Foug March 28, 2003

giddy up 

as used by Ed Brierly commonly to show affection to his emploees who do him a good jog at Checker Motors Corporation

also the name of his Harley.

"I can get it done Boss."

"Giddy-up!"

giddy up by cmarkin January 21, 2005

Giddy-up

Substitute for "Okay, let's do it!"

Giddy-up!

Giddy-up by Genku July 29, 2003