(gĭd′ē-ŭp′) also gid·dy·ap (-ăp′, -ŭp′) or gid·dap (gĭ-dăp′, -dŭp′)
Used to command a horse to go ahead or go at a faster pace.

[Alteration of get up.]


(ˌgɪd iˈæp, -ˈʌp)

also gid•dap

(gɪˈdæp, -ˈdʌp)



(used as a command to a horse to speed up.)
[1920–25, Amer.; informal pronoun of get up]
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References in periodicals archive ?
Besides having plenty of giddyap, these engineering marvels are designed to handle a half-acre lot in no time.
You have done "quiet and restful" to death--it is time to giddyap.
I installed it on my home PC, which has plenty of giddyap -- 512 Mb of RAM and a one GHz processor to be precise.
Don a wide-brimmed hat, climb into that squeaky saddle, and say the magic word - giddyap - and you're off on a fishing expedition, a wilderness camping trip, a ride to see wild mustangs, or a cattle drive.