- Said to make a horse start moving or go faster: ‘Giddy-up!’ he cried and cracked his whipMore example sentences
- I took hold of the rein and said giddy-up and headed for the highway.
1920s (originally US as giddap): reproducing a pronunciation of get up.
More definitions of giddy-upDefinition of giddy-up in:
- The US English dictionary