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

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

Giddy-up!

Giddy-up by Genku July 29, 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

A famous phrase used by the one and only Cosmo Kramer from Seinfeld.

Cosmo Kramer, The ass man: Giddy-Up!

Giddy-Up by Bex o.o;; August 13, 2004

Giddy-Up

Used in the masterpiece created by Lil nas X, Billy Ray Cyrus, Young Thug, and Mason Ramsey. In such context, ‘Giddyup’ is used as a trait or quality one possesses. If one has got giddyup then they can naruto run and they ain’t no Karen holding up the line.

~if you ain’t got no giddy-up then giddy-out my way~

Giddy-Up by Tony’s homie July 17, 2019

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